Posted: December 23rd, 2016

Assume that the heights of woman in 12th grade in the Virginia is 61.5 inches and the standad deviation is 6.5 inches. If groups of size 9 are randomly chosen and the means plotted, what is the probability of selecting a group whose height is between 56 and 58 inches? Remember, area = probability. Even with rounding your answer should be very close to the correct choice.

1. .1228

2. .8970

3. .0086

4. .0471

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