Engineers want to design seats in commercial aircraft so that they are wide enough to fit 95% of all males. (Accommodating 100% of males would require very wide seats that would be much too expensive.) Men have hip breadths that are normally distributed with a mean of 14.7 in and a standard deviation of 1.2 in. Find P95 -
That is, find the hip breadth for men that separates the smallest 95% from the largest 5%.
The hip breadth for men that separates the smallest 95% from the largest 5% is P95 = 15.9 in.
(Round to one decimal place as needed)
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