Author Question: According to the NCHS the average height of females in the U.S. is 63.7 inches with a standard ... (Read 82 times)

lbcchick · **on:** Jul 24, 2018

According to the NCHS the average height of females in the U.S. is 63.7 inches with a standard deviation of 2.75 inches. A sample of 100 former college women basketball players resulted in a sample mean of 65.8 inches. Is this sample statistic unusual enough to state that it does appear that this group of women is statistically taller than the general female population?

Question 2

Given a population that is normally distributed with a
= 65 and = 3, the probability of randomly selecting an object greater than 68 is:
1.0.5000
2.0.6827
3.0.8413
4.0.1587