Suppose that the amount of time per day that American adults spend on their mobile devices is normally distributed with mean 229 minutes and standard deviation 57 minutes. Twenty-one percent of American adults spend more than ______________ minutes on their mobile devices per day.    Twenty-nine percent of American adults spend less than ______________ minutes on their mobile devices per day.

MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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Suppose that the amount of time per day that American adults spend on their mobile devices is normally distributed with mean 229 minutes and standard deviation 57 minutes.

Twenty-one percent of American adults spend more than ______________ minutes on their mobile devices per day.

 

 Twenty-nine percent of American adults spend less than ______________ minutes on their mobile devices per day.

 

 

 

 

 

 

 

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