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4 years ago

7

Write b/bc in simplest form

1 answer:

inysia [295]4 years ago

6 0

1/c I think thats what you needed

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The random variable X has a uniform distribution with values between 16 and 24. What is the mean and standard deviation of X

N76 [4]

Answer:

$Mean = 20$

$SD = 2.31$

Step-by-step explanation:

Given

$a = 16$

$b = 24$

Solving (a): The mean

The mean of a uniform distribution is:

$Mean = \frac{1}{2}(a + b)$

This gives:

$Mean = \frac{1}{2}(16 + 24)$

$Mean = \frac{1}{2}(40)$

$Mean = 20$

Solving (b): The standard deviation

The standard deviation is:

$SD = \sqrt{\frac{(b - a)^2}{12}}$

This gives:

$SD = \sqrt{\frac{(24 - 16)^2}{12}}$

$SD = \sqrt{\frac{(8)^2}{12}}$

$SD = \sqrt{\frac{64}{12}}$

$SD = \sqrt{5.333}$

$SD = 2.31$

6 0

3 years ago

What is the solution to this system of equations? *<br> 11) x - 3y=9<br> x+3y=-3

Alika [10]

In point form (3,-2)
Equation form

8 0

3 years ago

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What is the slope of the line in the graph?

algol [13]

Answer:

Slope = x or just 1/1

Step-by-step explanation:

y = x

4 0

3 years ago

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For Sunday brunch, Kayli is making a recipe that requires 8 cups of milk. She has 3 quarts of milk. Does she have enough for the

Dovator [93]

Answer:

yes she has more than enough

Step-by-step explanation:

1 quart = 4 cups

2 quarts = 8 cups

3 quarts = 12 cups

3 0

3 years ago

Simplify the following expression. 5^-5/2 * 5^9/2

Evgesh-ka [11]

Answer:

C. 25

Step-by-step explanation:

When the numbers with same base are multiplied, their powers add up

5^-5/2 * 5^9/2

5^(-5/2 + 9/2)

5^(4/2)

5^2

25

8 0

3 years ago

Read 2 more answers