Asked by Ann
Suppose that people's heights (in centimeters) are normally distributed, with a mean of 165 and a standard deviation of 6. We find the heights of 80 people.
(a) How many would you expect to be between 158 and 172 cm tall
(a) How many would you expect to be between 158 and 172 cm tall
Answers
Answered by
PsyDAG
Z = (score-mean)/SD
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion between the two Z scores. Multiply that by 80.
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion between the two Z scores. Multiply that by 80.
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