Question

PLEASE HELP WILL MEDAL!!!


Suppose that a population parameter is 0.9 and many large samples are taken from the population. If the sample proportions are normally distributed, with 99.7% of the sample proportions falling between 0.867 and 0.933, what is the standard deviation of the sample proportions?







A.

0.022








B.

0.015








C.

0.011








D.

0.025

Answer 1

the answer is C hope this helps ;)