Asked by Monique
The distribution of heights of adult males has a mean of 69 inches and a standard deviation of 4 inches. A random sample of 36 adult males is selected. Find the probability that the average height will be more than 70 inches.
a.0.668
b.0.858
c.0.908
d.0.995
a.0.668
b.0.858
c.0.908
d.0.995
Answers
Answered by
PsyDAG
Z = (Sample mean-Pop. mean)/SEm
SEm = SD/√n
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to the Z score.
SEm = SD/√n
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to the Z score.
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