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The heights of adult men in America are normally distributed, with a mean of 69.5 inches...

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Statistics

The heights of adult men in America are normally distributed,with a mean of 69.5 inches and a standard deviation of 2.65 inches.The heights of adult women in America are also normallydistributed, but with a mean of 64.7 inches and a standarddeviation of 2.53 inches.

a) If a man is 6 feet 3 inches tall, what is his z-score (to twodecimal places)?

z =  

b) What percentage of men are shorter than 6 feet 3 inches? Roundto the nearest tenth of a percent.



c) If a woman is 5 feet 11 inches tall, what is her z-score (to twodecimal places)?

z =  

d) What percentage of women are TALLER than 5 feet 11 inches? Roundto nearest tenth of a percent

Answer & Explanation Solved by verified expert
4.3 Ratings (717 Votes)
a 695 265 X 6 feet 3 inch 612 3 75 Z X 75    See Answer
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