The tallest person ever confirmed by the Guinness records organization was Robert Wadlow of the United States, at 8 feet 11.1 inches tall. Heights of American men are approximately Normal with mean 69.3 inches and standard deviation 2.8 inches. Wadlow's z-score is 13.5 because (107.1 - ???)/2.8 =13.5

Darryl English 2022-07-21 Answered
The tallest person ever confirmed by the Guinness records organization was Robert Wadlow of the United States, at 8 feet 11.1 inches tall. Heights of American men are approximately Normal with mean 69.3 inches and standard deviation 2.8 inches. Wadlow's z-score is 13.5 because ( 107.1 ? ? ? ) / 2.8 = 13.5
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Answers (1)

Caylee Davenport
Answered 2022-07-22 Author has 14 answers
Given data,
Robert Wadlow \times score= 8 feet 11.1 inch
1  feet  = 12  inches  8  feet  = 96  inches  8  feet  11.1  inch  = 107.1  inch.  Mean  μ = 69.3  inch   standard deveation  σ = 2.8  inch  z-score  = x μ σ = 107.1 69.3 2.8 = 13.5
z-score=13.5
Wadlow z-score is 13.5 because ( 107.1 69.3 2.8 ) = 13.5
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