A population has a mean p= 85 and a standard deviation o = 28. Find the mean and standard deviation of a sampling distribution of sample means with sample size n = 49.
*(Simplify your answer.)

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Ответ:

srgrace9948

07.06.2023

Mathematics

B. Taking square root of both sides

Step-by-step explanation:

The first step given to us is

$(x+\frac{b}{2a} )^2=\frac{b^2-4ac}{4a^2}$

When we take square root of both sides we obtain;

$x+\frac{b}{2a}=\pm \sqrt{\frac{b^2-4ac}{4a^2} }$

Therefore the corect answer is B

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A population has a mean p= 85 and a standard deviation o = 28. Find the mean and standard deviation of a sampling distribution of sample means with sample size n = 49. *(Simplify your answer.)