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Suppose that an airline uses a seat width of 16.7 in. Assume men have hip breadths that are normally distributed with a mean of 14.5 in.


Suppose that an airline uses a seat width of 16.7 in. Assume men have hip breadths that are normally distributed with a mean of 14.5 in. and a standard deviation of 1 in. Complete parts (a) through (c) below. 


(a) Find the probability that if an individual man is randomly selected, his hip breadth will be greater than 16.7 in. 

The probability is _______ (Round to four decimal places as needed.) 

(b) If a plane is filled with 114 randomly selected men, find the probability that these men have a mean hip breadth greater than 16.7 in. 

The probability is _______ (Round to four decimal places as needed.) 

(c) Which result should be considered for any changes in seat design: the result from part (a) or part (b)? 

The result from _______  should be considered because _______ 

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