Jonathan R.

asked • 11/17/20

7. According to a National Health Survey

7. According to a National Health Survey, American men’s heights are normally distributed with a mean given by 

μ=69.7

 inches and a standard deviation given by σ=2.8

 inches.   

 

a). If a man is randomly selected, find the probability that his height is more 72 inches. (10 pints) 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

b). If a man is randomly selected, find the probability that his height is between 68 and 72 inches. (10 points) 

 


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