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3 years ago

What is the answer to the problem (m-3)(-10)

Mathematics

1 answer:

OverLord2011 [107]3 years ago

8 0

The answer is -10m + 30

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3 years ago

At Appalachian State University it is known that 52% of undergraduates are female. If a sample of 150 undergraduate students was

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Answer:

a. The sampling distribution will be approximately normal.

d. The mean of the sampling distribution will be close to 52%

g. The standard deviation of the sampling distribution will be 0.0408

Step-by-step explanation:

For this problem the sample size is large enough (n>30), and then the sampling distribution $\hat p$ would be approximately normal. The mean of the sampling distributions is given by $p=0.52$

The expected value for the sampling distribution would be 0.52 since $E(\hat p) = p$

And for the standard deviation we know that is given by:

$Sd= \sqrt{\frac{p (1-p)}{n}}=\sqrt{\frac{0.52(1-0.52)}{150}}=0.0408$

So the correct answers on this case are:

a. The sampling distribution will be approximately normal.

d. The mean of the sampling distribution will be close to 52%

g. The standard deviation of the sampling distribution will be 0.0408

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3 years ago

1 a. Solve, and plot the solution set.<br>-what is the answer

Keith_Richards [23]

Answer:

4r43r43

Step-by-step explanation:

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Don't mind my work but can someone give the answer for 50

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The answer to question 50 is A. 240 square feet

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Read 2 more answers

What have I done wrong and where please help me

lys-0071 [83]

12x - 18 - 4x -2
12x - 4x = 8x (yours 12x - 4x = 8)
-18 - 2 = -20 (yours -18 -1 = 17)

answer:

8x - 20

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3 years ago