Question

In a large Business Statistics​ class, the professor has each person select stocks by using​ computer-generated random numbers. The stocks were from a Journal in which exactly half the publicly traded stocks went up and half went down. The students then check to see whether their stock picks rose or fell the next day and report their proportion of​ "successes."

a) The students use​ computer-generated random numbers to choose 16 stocks each. Use the​ 68-95-99.7 Rule to describe the sampling distribution model

Question: About 68% should have proportions between ______ and _____, about 95% between ______ and ______, and about 99.7% between _______ and _______. (type integers or decimals.)

Answer 1

ANSWER:

Given that,

a)

The proportion of success :

n=16

Mean:

standard deviation

68% should have proportions between one standard deviation of the mean

95% should have proportions between two standard deviations of the mean

99.7% should have proportions between three standard deviations of the mean