SOLUTION: Engineers want to design seats in commercial airlines so that they are wide enough to fit 98% of all males. Men have hip breadths that are normally distributed with a mean of 14.4

Question 326568: Engineers want to design seats in commercial airlines so that they are wide enough to fit 98% of all males.
Men have hip breadths that are normally distributed with a mean of 14.4 inches and a standard deviation of 1.0 inches.
What seat width would fit all men except the tallest 2%?
Round your answer to two decimal places.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Engineers want to design seats in commercial airlines so that they are wide enough to fit 98% of all males.
Men have hip breadths that are normally distributed with a mean of 14.4 inches and a standard deviation of 1.0 inches.
What seat width would fit all men except the tallest 2%?
Round your answer to two decimal places.
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Find the z-value with a 98% left tail = invNorm(0.98) = 2.0537
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Find the corresponding x-value using x = zs+u
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x = 2.0537*1+14.4 = 16.45 inches
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Cheers,
Stan H.
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