Expected Rate of Return, the standard deviation of expected return and the asset which can be added to the portfolio are discussed in the given scenario.
The expected rate of return (ERR) can be calculated using the formula:ERR = Σ (probability of occurrence of each scenario x the expected return of that scenario)ERR = (0.25 x 40%) + (0.50 x 25%) + (0.25 x -15%)ERR = 10%The standard deviation of the expected return (SDERR) can be calculated using the formula:SDERR = √ [(probability of occurrence of each scenario x (expected return of that scenario - ERR)²)]SDERR = √ [(0.25 x (40% - 10%)²) + (0.50 x (25% - 10%)²) + (0.25 x (-15% - 10%)²)]SDERR = 24.35%The given expected return for Asset B is 18.32% and the standard deviation for asset B is 19.51%. From the above calculations, we can see that the expected rate of return is 10%, and the standard deviation of the expected return is 24.35%. The asset B's expected rate of return is greater than the expected rate of return calculated. However, the standard deviation of the expected return of asset B is greater than the standard deviation of the expected return calculated. Therefore, the asset B should not be added to the portfolio.
Learn more about probability here:
https://brainly.com/question/29221515
#SPJ11
What is the measure of each interior angle of the regular polygon pictured below? If
necessary, round to the nearest tenth.
Answer:
Step-by-step explanation:
it has 14 sides
360/14= 25.714
rounding to the nearest tenth we get:
25.7
What is the slope of the line described by the equation below?
4x-y=3
A. 1/4
B. -1/4
C. -4
D. 4
Answer: 4
Step-by-step explanation: First convert the equation to y = mx + b form.
Start by subtract 4x from both sides to get -y = -4x + 3.
From here, divide both sides by -1 to get y = 4x - 3.
Now in y = mx + b form, the slope is the multiplier, or the m.
So here, 4 is the slope.
Answer:
(D) 4
Step-by-step explanation:
In order to find the slope you need to rearrange the equation so that y is alone on one side, so:
4x - y = 3
-y = -4x + 3
y = 4x - 3
The slope is the coefficient in front of x, so the slope is 4
Which graph shows the solution to the system of linear inequalities?
The linear inequality graph has been drawed.
What is inequality?
The term "inequality" is used in mathematics to describe a relationship between two expressions or values that is not equal to one another. Inequality results from a lack of balance. When two quantities are equal, we use the symbol '=', and when they are not equal, we use the symbol. If two values are not equal, the first value can be greater than (>) or less than (), or greater than equal to () or less than equal to ().
Here the given inequality are,
y≤2x-5 and y>-3x+1.
To graph a linear inequality in two variables (say, x and y ), first get y alone on one side. Then consider the related equation obtained by changing the inequality sign to an equality sign. The graph of this equation is a line. If the inequality is strict ( < or > ), graph a dashed line.
Hence the graph is simplified and drawed.
To learn more about inequality refer the below link
https://brainly.com/question/25275758
#SPJ1
JJack, Jill, and Bill each carried a 48-fluid ounce bucket full of water down the hill. By the time they reached the bottom, Jack's bucket was only 3/4 full, Jill's was 2/3 full, and Bill's was 1/6 full. How much water did they spill altogether on their way down the hill?
Answer:
Jill lost 1/3
Bill lost 1/6
and Jack lost 1/4
Make a common denominator - let's use 12
Jill lost 4/12
Bill lost 2/12
Jack lost 3/12
Add them together = 9/12
reduce by dividing by 3.
total of 3/4 spilt
48 divided into 4 parts then multiplied by 3 of those parts
48 / 4 * 3 = 36
Step-by-step explanation:
A man drove his car a distance of 315 miles in 5 hours. If continuing at this rate is possible, he will travel ____ miles in 9 hours.
Numerical Answers Expected!
Answer for Blank 1:
Answer:
567 miles
Step-by-step explanation:
we break down how many miles he went in 1 hour
315/5
he went 63 miles in 1 hour
times this by 9 is 567 miles in 9 hours
Answer:
567 milesStep-by-step:we break down how many miles he went in 1 hour 315/5 he went 63 miles in 1 hour times this by 9 is 567 miles in 9 hours
Step-by-step explanation:
Angle a and b are complementary angle a measure 10x +10 and angle b measure 20 find the value of c
The measure of angle c is 70 degrees.
If angle a and angle b are complementary, it means that the sum of their measures is equal to 90 degrees.
Given:
Measure of angle a = 10x + 10
Measure of angle b = 20
We can set up the equation:
(10x + 10) + 20 = 90
Simplifying the equation:
10x + 30 = 90
Subtracting 30 from both sides:
10x = 60
Dividing both sides by 10:
x = 6
Now, we have found the value of x to be 6.
To find the measure of angle c, we can substitute the value of x into the equation for angle a:
Measure of angle a = 10x + 10
Measure of angle a = 10(6) + 10
Measure of angle a = 60 + 10
Measure of angle a = 70
As a result, angle c has a measure of 70 degrees.
for such more question on angle
https://brainly.com/question/25716982
#SPJ8
suppose that α 2 is an angle in quadrant 4 and that cos α = − 7 25 . compute the exact value of cos ( α 2 ) . cos ( α 2 ) =
Given an angle α in quadrant 4 with cos α = -7/25, we can use the half-angle formula for cosine to find the exact value of cos(α/2) as √(15)/10.
In trigonometry, the half-angle formula for cosine states that cos(α/2) = ±√((1+cos α)/2), where α is an angle and cos α is the cosine of that angle. The sign of the formula depends on the quadrant in which the angle α lies.
In this case, we are given that α is an angle in quadrant 4 and that cos α = -7/25. Since cosine is negative in quadrant 4, we know that the half-angle formula for cosine must be negative. Using the half-angle formula for cosine, we have cos(α/2) = -√((1+cos α)/2) = -√((1-7/25)/2) = -√(18/50) = -√(9/25) * √(2/2) = -3/5 * √2.
However, we can simplify this answer further by rationalizing the denominator. Multiplying both the numerator and denominator by √2, we get cos(α/2) = -3√2/10.
Therefore, the exact value of cos(α/2) is -3√2/10 or equivalently, √(15)/10 in simplified radical form.
In conclusion, given an angle α in quadrant 4 with cos α = -7/25, we can use the half-angle formula for cosine to find the exact value of cos(α/2) as √(15)/10.
To learn more about quadrant click here : brainly.com/question/13877233
#SPJ11
Given an angle α in quadrant 4 with cos α = -7/25, we can use the half-angle formula for cosine to find the exact value of cos(α/2) as √(15)/10.
In trigonometry, the half-angle formula for cosine states that cos(α/2) = ±√((1+cos α)/2), where α is an angle and cos α is the cosine of that angle. The sign of the formula depends on the quadrant in which the angle α lies.
In this case, we are given that α is an angle in quadrant 4 and that cos α = -7/25. Since cosine is negative in quadrant 4, we know that the half-angle formula for cosine must be negative. Using the half-angle formula for cosine, we have cos(α/2) = -√((1+cos α)/2) = -√((1-7/25)/2) = -√(18/50) = -√(9/25) * √(2/2) = -3/5 * √2.
However, we can simplify this answer further by rationalizing the denominator. Multiplying both the numerator and denominator by √2, we get cos(α/2) = -3√2/10.
Therefore, the exact value of cos(α/2) is -3√2/10 or equivalently, √(15)/10 in simplified radical form.
In conclusion, given an angle α in quadrant 4 with cos α = -7/25, we can use the half-angle formula for cosine to find the exact value of cos(α/2) as √(15)/10.
To learn more about quadrant click here : brainly.com/question/13877233
#SPJ11
Linear equation of 5x-2y=40 and 2y+10x-6=0
Answer:
linear equation for 2y+10x=60 is y=-5x+30 .. the other one is invalid
Step-by-step explanation:
Hello, this is a homework assignment, will you be able to help me?
answer: E
find the value of x. the answer choices are 5, 4, 6, or 129
the sum of the interior angles of a parallelogram is 360°,
we have the next angles equals
m
m
With this in mind, we can have the next equation
51+51+28x-11+28x-11=360
we sum similar terms
80+56x=360
we isolate the x
56x=360-80
56x=280
x=280/56
x=5
bryan runs 2 miles every 40 minutes. At this rate, how many minutes did Bryan run if he ran 8 miles?
2 ÷ 40 = 20
so
1 mile = 20 minutes
20 minutes × 8 miles = 160 minutes
160 minutes into hours and minutes = 2 hours and 40 minutes
Answer:
160 minutes or 2 hours and 40 minutes
if r(t) = (4t, 3tยฒ, 4tยณ) , find r'(t), T(1), r''(t), and r'(t) ร r ''(t).
The value of the expression is r'(t) = (4, 6t, 12t²), T(1) = (2/7, 3/7, 6/7), r''(t) = (0, 6, 24t), r'(t) ร r''(t) = 144t³.
We are given the vector-valued function r(t) = (4t, 3t², 4t³).
To find r'(t), we need to take the derivative of each component of r(t) with respect to t:
r'(t) = (d/dt)(4t), (d/dt)(3t²), (d/dt)(4t³)
r'(t) = (4, 6t, 12t²)
To find T(1), we need to evaluate r'(t) at t = 1 and then divide by the magnitude of r'(1):
r'(1) = (4, 6(1), 12(1)²) = (4, 6, 12)
| r'(1) | = sqrt(4² + 6² + 12²) = sqrt(196) = 14
T(1) = r'(1) / | r'(1) | = (4/14, 6/14, 12/14) = (2/7, 3/7, 6/7)
To find r''(t), we need to take the derivative of each component of r'(t) with respect to t:
r''(t) = (d/dt)(4), (d/dt)(6t), (d/dt)(12t²)
r''(t) = (0, 6, 24t)
Finally, to find r'(t) ร r''(t), we need to take the dot product of r'(t) and r''(t):
r'(t) ร r''(t) = (4, 6t, 12t²) ร (0, 6, 24t)
r'(t) ร r''(t) = 0 + 6t(6t) + 12t²(24t)
r'(t) ร r''(t) = 144t³
Therefore, we have:
r'(t) = (4, 6t, 12t²)
T(1) = (2/7, 3/7, 6/7)
r''(t) = (0, 6, 24t)
r'(t) ร r''(t) = 144t³
Learn more about expression here
https://brainly.com/question/1859113
#SPJ11
Help is extremely appreciated! :)
Answer:
To find the weighted mean, we need to multiply each delivery value by its corresponding frequency, add the products, and divide by the total frequency.
(3 x 7) + (6 x 6) + (9 x 1) + (12 x 0) = 21 + 36 + 9 + 0 = 66
Total frequency = 7 + 6 + 1 + 0 = 14
Weighted mean = 66 / 14 = 4.7 (rounded to the nearest tenth)
Therefore, the weighted mean is 4.7
Solve the problem
PDE: utt=25uxx,00utt=25uxx,00
BC: u(0,t)=u(1,t)=0u(0,t)=u(1,t)=0
IC: u(x,0)=9sin(2πx),ut(x,0)=4sin(3πx)u(x,0)=9sin(2πx),ut(x,0)=4sin(3πx)
The solution to the given PDE with the provided BCs and ICs involves finding the eigenfunctions and eigenvalues through separation of variables and then using the Fourier series expansion to determine the coefficients that satisfy the initial conditions.
The given partial differential equation (PDE) is a wave equation in one dimension, represented as utt = 25ux x, where u is a function of two variables x and t. This equation describes the behavior of waves propagating in the x-direction.
The boundary conditions (BC) state that u(0,t) = u(1,t) = 0, which means that the function u is zero at both ends of the interval x = 0 and x = 1. These boundary conditions enforce the idea that there are no reflections or transmissions at the boundaries.
The initial conditions (IC) specify the initial behavior of the wave. Here, u(x,0) = 9sin(2πx) represents the initial displacement of the wave, and ut(x,0) = 4sin(3πx) represents the initial velocity of the wave.
To solve this problem, we can use the method of separation of variables. We assume a solution of the form u(x,t) = X(x)T(t), where X(x) represents the spatial component and T(t) represents the temporal component.
By substituting this solution into the wave equation, we obtain two ordinary differential equations: X''(x)/X(x) = T''(t)/(25T(t)) = -λ².
Solving the spatial equation X''(x)/X(x) = -λ², subject to the boundary conditions X(0) = X(1) = 0, we find that the eigenfunctions are Xn(x) = sin(nπx), and the corresponding eigenvalues are λn = nπ.
Solving the temporal equation T''(t)/(25T(t)) = -λ², we obtain Tn(t) = A_nsin(λnt) + B_ncos(λnt), where A_n and B_n are constants determined by the initial conditions.
Finally, we can express the general solution as the superposition of all the eigenfunctions: u(x,t) = Σ[A_nsin(λnt) + B_ncos(λnt)]sin(nπx), where the sum is taken over all possible values of n.
To find the specific solution that satisfies the given initial conditions, we can use the Fourier series expansion of the initial conditions and match the coefficients with the general solution.
For more such questions on Fourier series expansion visit:
https://brainly.com/question/29644687
#SPJ11
Tuesday, May 4, 2021 6 Grade Question of the Day Methods of Division Ashleigh's band won $854 in a talent contest. The band has five members. How much money will each member get if they split the winnings equally? 1. Identify (write) the key word in the passage that requires you to add, subtract, multiply or divide 2. Perform the operation(s) 3. Show all work 4. Upload the assignment
The total prize is $854. and in order to split the amount of money equally we divide the total price in 5 equal parts(You should identigy the word "split" to let you know you need to divide):
\(\frac{854}{5}=\text{ }170.8\)So, every member will get $170.8
we often predict the probability of an event happening in the future based on how easily we can recall a similar type of event from the past. this is known as the :
we often predict the probability of an event happening in the future based on how easily we can recall a similar type of event from the past. this is known as the availability bias
When faced with an instant choice requirement, the availability heuristic enables people to make decisions fast. When you are trying to decide, a lot of connected incidents or circumstances could pop into your head right away. You can conclude that some events are more common or likely than others as a result.
You tend to overestimate the possibility and likelihood of similar situations happening in the future and give this information more weight. When you're attempting to decide or pass judgement on the world around you, this can be useful. Would you argue, for instance, that words in the English language that start with the letter t or with the letter k are more numerous?
To learn more about availability bias here,
brainly.com/question/20462997
#SPJ4
slope of -4 and goes through (-5,1)
71/2 + 125/8
193/5
191/8
203/5
201/8
Answer:
\(19 \frac{7}{8} = 19.87\)
Step-by-step explanation:
\(1. \: lcd = 8 \\ 2. \: \frac{71 \times 4}{2 \times 4} - \frac{125}{8} \\ 3. \: \frac{284}{8} - \frac{125}{8} \\ 4. \: \frac{284 - 125}{8} \\ 5. \: \frac{159}{8} \\ 6. \: 19 \frac{7}{8} = 19.87\)
(Chapter 14) If f(x,y) has two local maximal, then f must have a local minimum.TrueFalse
It is true that the existence of two local maxima does not guarantee the presence of a local minimum. It is possible for a function to have multiple local maxima and no local minimum.
For example, consider the function f(x,y) = x^4 - 4x^2 + y^2. This function has two local maxima at (2,0) and (-2,0), but no local minimum. Therefore, the statement "if f(x,y) has two local maximal, then f must have a local minimum" is false. The presence or absence of local maxima and minima depends on the behavior of the function in the immediate vicinity of a point, and cannot be determined solely based on the number of local maxima. It is possible for a function to have an infinite number of local maxima and minima, or none at all. Therefore, it is important to carefully analyze the behavior of a function in order to determine the presence or absence of local extrema.
Know more about maxima here:
https://brainly.com/question/31387277
#SPJ11
Richard wants to purchase one large pizza and some soft drinks for a club meeting. He compares the prices at two restaurants. Each soft drink at the first restaurant has the same price. The table below shows y, the total price of one large pizza and x soft drinks at the first restaurant. At the second restaurant , the total price, y, of one large pizza and x soft drinks can be represented by the equation below: y= 1.5x + 18. Which of the following statements is true?
Answer:
The price of one soft drink is more at the second restaurant than at the first restaurant.
If you take a number, times by 3 then add 5. You get the same as if you took the
number, times by 7 then subtract 8. What is the number?
The number is 4.
If you take a number, times by 3 then add 5, you get (3x + 5).
If you take the same number and times by 7 then subtract 8, you get (7x - 8).
Set the equations equal to each other:
3x + 5 = 7x - 8
Subtract 3x from both sides:
5 = 4x - 8
Add 8 to both sides:
13 = 4x
Divide both sides by 4:
4 = x
Therefore, the number is 4.
Henry divided his socks into five equal groups. Let s represent the total number of socks. Which expression and solution represent the number of socks in each group if s = 20?
Answer:
option A is correct answer of this question
hope yr day will full of charm
Answer:
A!
Step-by-step explanation:
ez
jessica increases the temperature of a block of ice by 20º. Which integer represents the amount by which Jessica must change the temperature for the block of ice to return to its starting temperature?
Answer:
-20
Step-by-step explanation:
Answer:
it is -20
Step-by-step explanation:
A basketball is dropped from a height of 20 feet. the function f(x)=20(0.5)x gives the height in feet of each bounce, where x is the bounce number. What is the height of the third bounce to the nearest tenth of a foot?
a. 20 feet
b. 10 feet
c. 5 feet
d. 2.5 feet
e. 1.25 feet
The height of the third bounce to the nearest tenth of a foot is 2.5 feet.
The correct option is d.
What is an exponential function?Mathematical functions with exponents include exponential functions. f(x) = bˣ, where b > 0 and b 1, is a fundamental exponential function.
Given:
A basketball is dropped from a height of 20 feet.
The function f(x)=20(0.5)ˣ gives the height in feet of each bounce,
where x is the bounce number.
The height of the third bounce to the nearest tenth of a foot is,
f(3)=20(0.5)³
f(3) = 2.5 feet.
Therefore, the height is 2.5 feet.
To learn more about the exponential;
https://brainly.com/question/14344314
#SPJ1
There are 42 runners in a race. How many different ways can the runners finish first, second, and third?
Answer:
There are 68,640 different ways the runners can finish first, second, and third in the race.
Concept of Permutations
The number of different ways the runners can finish first, second, and third in a race can be calculated using the concept of permutations.
Brief Overview
Since there are 42 runners competing for the top three positions, we have 42 choices for the first-place finisher. Once the first-place finisher is determined, there are 41 remaining runners to choose from for the second-place finisher. Similarly, once the first two positions are determined, there are 40 runners left to choose from for the third-place finisher.
Calculations
To calculate the total number of different ways, we multiply the number of choices for each position:
42 choices for the first-place finisher × 41 choices for the second-place finisher × 40 choices for the third-place finisher = 68,640 different ways.
Concluding Sentence
Therefore, there are 68,640 different ways the runners can finish first, second, and third in the race.
Convert the polar equation to rectangular form and sketch its graph.
r = 3 sin(θ)
To convert the polar equation r = 3 sin(θ) to rectangular form, we can use the following equations:
x = r cos(θ)
y = r sin(θ)
Substituting r = 3 sin(θ), we get:
x = 3 sin(θ) cos(θ)
y = 3 sin²(θ)
Simplifying the above equations using the identity sin²(θ) + cos²(θ) = 1, we get:
x = 3 sin(θ) cos(θ) = 3/2 sin(2θ)
y = 3 sin²(θ) = 3/2 - 3/2 cos(2θ)
Now, we can sketch the graph of the rectangular equation using a graphing calculator or by plotting points. The graph of the equation represents a cardioid with a cusp at the origin. It is symmetric with respect to the x-axis and has four lobes. The maximum distance from the origin is 3/2, which occurs at θ = π/2 and θ = 3π/2. The minimum distance is zero, which occurs at θ = 0 and θ = π.
In conclusion, the rectangular form of the polar equation r = 3 sin(θ) is x = 3/2 sin(2θ) and y = 3/2 - 3/2 cos(2θ), and its graph is a cardioid with a cusp at the origin, four lobes, and maximum distance of 3/2.
To know more about polar equation visit:
https://brainly.com/question/28976035
#SPJ11
(For 160,000 it takes 18ms to sort each half. Then merging together the two sorted halves with 80,000 numbers in each of them takes 40-218 = 4 ms. For 320,000 elements, it will take 240 to sort each half and 24 to merge the sorted halves with 160,000 numbers in each, for the total of 240+8 = 88 ms.)
For a larger input size of 320,000 elements, it will take 240 ms to sort each half and 24 ms to merge the sorted halves, resulting in a total time of 264 ms.
The given information describes the time required for sorting and merging operations on two different input sizes. For 80,000 elements, it takes 18 ms to sort each half, resulting in a total of 36 ms for sorting. Merging the two sorted halves with 80,000 numbers in each takes 40 - 18 = 22 ms.
When the input size is doubled to 320,000 elements, the sorting time for each half increases to 240 ms, as it scales linearly with the input size. The merging time, however, remains constant at 4 ms since the size of the sorted halves being merged is the same.
Thus, the total time for sorting and merging 320,000 elements is the sum of the sorting time (240 ms) and the merging time (4 ms), resulting in a total of 264 ms.
Therefore, based on the given information, the total time required for sorting and merging 320,000 elements is 264 ms.
Learn more about total time here:
https://brainly.com/question/951637
#SPJ11
An amusement park has 2 drink stands and 18 other attractions. What is the probability that a randomly selected attraction at this amusement park will be a drink stand? Write your answer as a fraction or whole number.
Considering the definition of probability, the probability that a randomly selected attraction at this amusement park would be a drink stand is 1/10.
Definition of probabilityProbability establishes a relationship between the number of favorable events and the total number of possible events.
The probability of any event A is defined as the ratio between the number of favorable cases (number of cases in which event A may or may not occur) and the total number of possible cases:
P(A)= number of favorable cases÷ number of possible cases
Probability that a selected attraction is a drink standIn this case, you know:
Total number of drink stands= 2 (number of favorable cases)Total number of other attractions= 18Total number of attraccions = Total number of drink stands + Total number of other attractions= 20 (number of possible cases)Replacing in the definition of probability:
P(A)= 2÷ 20
Solving:
P(A)= 1/10
Finally, the probability in this case is 1/10.
Learn more about probability:
https://brainly.com/question/31171841
#SPJ1
I need help with this
a) Since the triangles are congruent, and ΔABC is congruent to ΔDEF, segments AB and DE have the same value. Therefore, you can use algebra to solve for x when using the knowledge that (12 - 4x) is equal to (15 - 3x).
To solve:
12 - 4x = 15 - 3x
12 = 15 + x
-3 = x
Therefore, x is equal to -3.
b) To find the value of AB, plug in the value of x found in part a).
12 - 4x
12 - 4(-3)
12 - (-12)
12 + 12 = 24
Thus, segment AB is equal to 24.
c) As shown in part b), plug in the value of x found in part a) to find the value of segment DE.
15 - 3x
15 - 3(-3)
15 - (-9)
15 + 9 = 24
Thus, segment DE is also equal to 24.
We can confirm the knowledge of the equal side lengths because the triangle are congruent. This means that all the side lengths in the triangle are the same, which is confirmed when algebraically plugging in the value of x to solve for the values of the segments AB and DE.
I hope this helps!
Evaluate the expression when n=6
n² – 5n-2
Answer:
4
Step-by-step explanation:
(6^2) -5(6) -2 =4
that is the answer
Step-by-step explanation:
6^2 - 5×6 - 2
= 36 - 30 -2
= 4