a check of dorm rooms on a large college campus revealed that 38% had refrigerators, 52% had tvs, and 21% had both a tv and a refrigerator. what's the probability that a randomly selected dorm room has either a refrigerator or a tv (or both)? please enter your answer as a decimal, rounded to two places after the decimal point.

Answer:-2.3,11.,11.,-0.25 or  x2 - 10x - 25- -5

Step-by-step explanation:

u just go in a TI-nspire CX calculator and type in in how it looks

Based on the information provided, it is not clear what type of study the sales director is conducting. To determine the type of study, we need more specific details about the methodology and purpose of the study.  A survey involves collecting data by asking individuals a set of predetermined questions.

If the sales director is collecting data by asking participants about their opinions, preferences, or experiences, then it could be a survey.An observational study involves observing and recording data without intervening or manipulating any variables. If the sales director is simply observing and recording the sales behaviors and patterns of the sales team without any intervention.

An experiment involves manipulating variables and studying the effects on the outcome. If the sales director is testing different sales techniques or strategies by manipulating variables and measuring the impact on sales performance, then it could be an experiment.

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The sales director is conducting a survey. The sales director is conducting a survey to gather information from customers or other individuals. A survey is a useful research method for collecting data and gaining insights that can inform business decisions.

A survey is a research method that involves gathering information from a sample of individuals through the use of questionnaires, interviews, or online forms. It is commonly used to collect data on people's opinions, attitudes, behaviors, or characteristics.

In this case, the sales director is likely using a survey to gather information about customers, sales strategies, or market trends. Surveys can provide valuable insights that help businesses make informed decisions and improve their sales performance.

For example, the sales director may distribute a survey to customers to gather feedback on their satisfaction with the company's products or services. The survey could include questions about their buying preferences, reasons for choosing the company, or suggestions for improvement. By analyzing the responses, the sales director can identify areas of strength and areas that need improvement, ultimately helping to drive sales growth.

It is important to note that a survey is different from an observational study or an experiment. In an observational study, researchers simply observe and record data without intervening or manipulating variables. On the other hand, an experiment involves intentionally manipulating variables to determine cause-and-effect relationships.

In summary, the sales director is conducting a survey to gather information from customers or other individuals. A survey is a useful research method for collecting data and gaining insights that can inform business decisions.

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In C programming language, the indirection operator (*) is used to dereference a pointer variable and access the value stored at the memory location pointed to by the pointer. The index operator ([]), on the other hand, is used to access the value stored at a particular index of an array.

In the given expressions, each identifier refers to an array. To replace the indirection operator with the index operator, we simply need to replace the pointer arithmetic expression (i.e., the pointer name plus an integer) with the index of the array.

For example, the expression *(tax + 4) can be rewritten as tax[4]. This means we are accessing the value stored at the memory location pointed to by the pointer tax, which is the fifth element of the array tax (since arrays in C are zero-indexed).

Similarly, *(score + 2) can be rewritten as score[2], which accesses the value stored at the third element of the array score. *(number + 10) can be rewritten as number[10], which accesses the value stored at the eleventh element of the array number. And *prices can be rewritten as prices[0], which accesses the value stored at the first element of the array prices.

By replacing the indirection operator with the index operator, we can access the values stored in the arrays using their indices, which simplifies the syntax and makes the code easier to read and understand.

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Answer:

a =14.3178211

Step-by-step explanation:

a^2 +B^2=C^2

13^2+6^2=C^2

169+36=C^2

205=C^2

C=14.3178211= LENGTH OF AC

Answer:

9300$

Step-by-step explanation:

Another advantage of using Anova is that it arranges the means so the significant differences can be located and interpreted easily.

The ANOVA test is a type of statistical test used to determine whether there is a statistically significant difference between two or more categorical groups by testing mean differences using variance.

Another important part of the ANOVA is the splitting of the independent variables into two or more groups.

The assumptions for the ANOVA test are the same as those for general parametric tests.

Advantages of ANOVA:

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Answer:

$12,155.06

Step-by-step explanation:

Using the compound interest formula;

A= P(1+r)^n

P = $10,000

rate r = 5% = 0.05

Time r = 4years

Substitute

A = 10,000(1+0.05)^4

A = 10,000(1.05)^4

A = 10,000(1.21550)

A = 12,155.06

Hence the amount after 4 years will be $12,155.06

The area of the figure is 825 and its unit is units squared

The given figure is a trapezium. Area of trapezium(A) = 1/2(a+b)h

Considering the labelling on the image  attached:

The distance h spans from -15 to 18. Thus h = 18 - (-15) = 18+15 = 33 units

The distance a spans from -15 to 6. Thus a = 6 - (-15) = 6 +15 = 21 units

The distance b span from -15 to 18. Thus b = 24 - (-15) = 18+15 = 39 units

Note: each square of the graph is 3. You can also get the distance by counting number of squares and then multiply by 3.

Now, Area(A) = 1/2(21+39) x 33

                        = 1/2(50) x 33

                        = 25 x 33 = 825 squared units

Therefore, the area of the composite figure is 825 and the unit is units squared

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Answer:

1679616

Step-by-step explanation:

(6^4) = 1296

1296^2 = 1679616

Answer:

Step-by-step explanation:

You could do this step by step.

The first year is left alone: 90,000 kt

The second year is 90000 * 0.96 That represents a 4% reduction

Second year = 86400

Third year = 86400 * .96 = 82944

Fourth year = 82944 * 0.96 = 79626.24 Here's where you run into your first dilemma. What do you do with that 0.24? The answer is, you round it here, but leave it in your calculator.

Fourth year = 79626

Fifth year = 79626.24 * 0.96

Fifth year = 76441

Sixth year = 79626.1904 * 0.96

Sixth year = 73383.542

Sixth year = 73384

Of course once you have gone through all that, you could do it this way

Sixth year = 90000 * 0.96^(n - 1) = 73383.54 = 73384

Same answer both ways.

I'm going to leave the addition to you.

Sum = a* (r^(n) - 1)/ (r - 1)

Sum = 90000 * (0.96^5 - 1) / (0.96 - 1 ) = 415411 rounded. I think that's right, but check it out.

(-35-42-63)/7= (-140)/7=-20

Answer:

6/7 = y

Step-by-step explanation:

-3=7(y-9/7)

Distribute

-3= 7*y - 7*9/7

-3 = 7y - 9

Add 9 to each side

-3+9 = 7y -9+9

6 = 7y

Divide each side by 7

6/7 = 7y/7

6/7 = y

The value of P in terms of E, O and M is P = 6E - O - 4M.

The subject of a formula is the variable which is expressed in terms of the other variables.

The formula is given as follows:

\(E = \frac{O + 4M + P}{6}\)

The variables of the equation are M, P, O and E. Let's solve for P in terms of E, O and M.

Therefore,

\(E = \frac{O + 4M + P}{6}\)

cross multiply

6E = O + 4M + P

subtract O + 4M from both sides of the equation.

6E - O - 4M = P

Therefore,

P = 6E - O - 4M

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Answer:

This really depends on the situation, and many variables. Is there a specific moment? Multiple buttons? Would you mind giving more context or is that it?

Answer:

PENDEJO ME LA PELA GONORREA BBO HPTA

the commission rate is 752.

The answer is x = 6

Let us first define x to be the number of hours of riding lessons she can take.

X = Hours of lessons

Now, she has $200, she needs to pay $20 for grooming supplies, and the lessons cost $30 an hour. We to find the maximum amount of hours of lessons she can take, so in other words, we want to make her broke. To do this, we first convert the words into an equation:

200 - 20 - 30x = 0

Simplifying, we get

180 = 30x

x=6

Answer:

they are supplementary set the equal to 180 so angle 1 would be 112

Answer:

chupapi muñeño

Step-by-step explanation:

Answer:

144 cm?

Step-by-step explanation:

V

\(v = l \times w \times h \\ v =12 \times 4 \times 3 \\ v = 12 \times 12 \\ v = 144\)

The volume of the given cylinder is 400π cubic millimeter.

Given that, a cylinder has a radius of 5 mm and a height of 8 mm.

We know that, the volume of a cylinder is πr²h.

Here, volume = π×5²×8

= π×25×8

= 400π

Therefore, the volume of the given cylinder is 400π cubic millimeter.

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Answer:

a. Subtraction property

b. Addition property and Multiplication property

Step-by-step explanation:

Given

\(5y = 25\)

Solving (a): Which property is applied to \(5y-7 = 25-7\)

The property applied is the subtraction property of inequality, and it states that:

If \(a = b\)

Then

\(a - x = b - x\)

So, in this case:

\(a = 5y, b = 25\ and\ x=7\)

Solving (b): Other properties

1. The additive property of equality

If \(a = b\)

Then

\(a + x = b + x\)

So, the expression can be written as:

\(5y + 12 = 25 + 12\)

When 12 is subtracted from both sides, the equation returns to the original

i.e.

\(5y + 12 - 12 = 25 + 12 - 12\)

\(5y = 25\)

2. The multiplication property of equality

If \(a = b\)

Then

\(a * x = b * x\)

So, the expression can be written as:

\(5y* 2 = 25 * 2\)

\(10y = 50\)

When both sides are divided by 2, the equation returns to the original

i.e.

\(\frac{10y}{2} = \frac{50}{2}\)

\(5y = 25\)

Answer:

I Have the same question

Step-by-step explanation:

Question is based upon our General knowledge in the field of IT and programming languages\(.\)

Let's see the choices:

1) It is true that Bill Gates founded teh Microsoft, but Guido Von Rossum is the founder of python. So, this is incorrect option.

2) Bjarne Stroustrup is the creater of C++ programming language, and also published the Annotated C++ reference manual. So, this is correct✓.

3) Paul Allen was the one who co-founded the Microsoft cooperation along with Bill Gates. So, this is also incorrect.

4) John McCathy invented or founded LISP, which came after FORTAN, So he isn't the founder of FORTAN. So, this is also Incorrect.

So, correct option is Option B

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In probability theory, a Venn diagram is a diagrammatic representation of sets that shows all possible logical relations between them. Venn diagrams are widely used in probability and statistics to visualize the relationship between different sets of data.

The given Venn diagram shows the relationship between three sets, A, B, and C. In order to calculate probabilities using a Venn diagram, we need to know the number of elements or members in each set, as well as any overlapping regions.

We can then use these numbers to calculate the probability of different outcomes.Let's consider two possible probabilities from the given Venn diagram:1.

The probability that an element is in set A and set B but not in set C is 0.1/0.5 = 0.22. The probability that an element is in set B or set C but not in set A is 0.2/0.6 = 1/3The first probability can be calculated by dividing the number of elements in the overlapping region of sets A and B (which is 0.1) by the total number of elements in set B (which is 0.5).

This gives us a probability of 0.22 or 22%.The second probability can be calculated by dividing the number of elements in the union of sets B and C (which is 0.2) by the total number of elements in either set B or set C (which is 0.6). This gives us a probability of 1/3 or approximately 33%.

Therefore, the correct probabilities are:1.

The probability that an element is in set A and set B but not in set C is 0.1/0.5 = 0.22.

The probability that an element is in set B or set C but not in set A is 0.2/0.6 = 1/3

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The deposit placed in an interest-earning account earning 8 percent a year will double in value in 9 years.

To understand why, we can use the concept of the rule of 72. The rule of 72 is a useful rule of thumb that estimates the time it takes for an investment to double in value based on the interest rate. By dividing 72 by the interest rate, we can approximate the number of years required for doubling.

In this case, the interest rate is 8 percent. Applying the rule of 72, we divide 72 by 8, which gives us 9. Therefore, it would take approximately 9 years for the deposit to double in value.

The rule of 72 is a simplified approximation, and the exact time it takes for an investment to double will depend on the compounding frequency and the specific terms of the investment. However, for the purpose of this question, the closest option is 9 years, as calculated using the rule of 72.

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To find the monthly return of Amazon and Nasdaq, we need to calculate the percentage change in their prices over the month. Once we have these values, we can calculate the beta of Amazon using a linear regression analysis.

Beta measures the sensitivity of a stock's return to changes in the market, with a beta of 1 indicating that a stock moves in line with the market. To find the beta of Amazon, we can use the formula: corrl (Amazon return, Nasdaq return) x stdev (standard deviation of Amazon return) / stdev (standard deviation of Nasdaq return). This will give us a measure of Amazon's volatility relative to the market.

Once we have the beta of Amazon, we can use the security market line or capital asset pricing model to find the required rate of return of Amazon. This involves taking the risk-free rate (which is typically the yield on a government bond) and adding a premium based on the level of risk associated with the stock. Assuming a market return of 12% and a risk-free rate of 3%, we can use the formula: required rate of return = risk-free rate + beta x (market return - risk-free rate).

In summary, to find the monthly return of Amazon and Nasdaq, we need to calculate the percentage change in their prices over the month. We can then use a linear regression analysis to estimate the beta of Amazon and use this to calculate the required rate of return based on the security market line or capital asset pricing model.
To find the monthly return of Amazon and Nasdaq, first calculate the percentage change in their prices for each month. Then, run a linear regression using Nasdaq returns as the independent variable and Amazon returns as the dependent variable to estimate Amazon's beta.

Next, use the formula: CORREL(Amazon return, Nasdaq return) x STDEV(Amazon return) / STDEV(Nasdaq return) to find Amazon's beta. This represents the stock's sensitivity to market movements.

Finally, use the Capital Asset Pricing Model (CAPM) to find Amazon's required rate of return: Risk-Free Rate + Beta x (Market Return - Risk-Free Rate). With a 3% risk-free rate and a 12% market return, the calculation is: 3% + Beta x (12% - 3%). This result represents the expected return for investing in Amazon, considering its risk relative to the market.

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Answer:

1. 7

2.13

3.92

4.23

Step-by-step explanation:

P- parentheses

E- exponents

MD- Multiplication and division

AS- addition and subtraction

1. 3+3^2-5

3+9-5

12-5=7

2. 2^3-5x1+10

8-5x1+10

8-5+10

13

3. 24\2+10^2-20

24/2+100-20

12+100-20

92

4. 6x^3+25/5

18+25/5

18+5

23