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.     According to the Empirical Rule:   About 68% of all American adults spend between ___________ and ___________ minutes on their mobile devices per day.   About 95% of all American adults spend between ___________ and ___________ minutes on their mobile devices per day.   About 99.7% of all American adults spend between ___________ and ___________ minutes on their mobile devices per day

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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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.

 

 

According to the Empirical Rule:

 

  1. About 68% of all American adults spend between ___________ and ___________ minutes on their mobile devices per day.

 

  1. About 95% of all American adults spend between ___________ and ___________ minutes on their mobile devices per day.

 

  1. About 99.7% of all American adults spend between ___________ and ___________ minutes on their mobile devices per day
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