Asked by Michael
In a murder trial in Los Angeles, a shoe expert stated that the range of heights of men with a size 12 shoe is 72 inches to 76 inches. Suppose the heights of all men wearing size 12 shoes are normally distributed with a mean of 73.5 inches and a standard deviation of 1 inch. What is the probability that a randomly selected man who wears a size 12 shoe (Round answers to four decimal places.)
(a)Has a height outside the range 72 inches to 76 inches?
(b)Is 74 inches or taller?
(c)Is shorter than 71.5 inches?
(a)Has a height outside the range 72 inches to 76 inches?
(b)Is 74 inches or taller?
(c)Is shorter than 71.5 inches?
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 proportions related to the Z scores.
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions related to the Z scores.
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