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the one way commuting times from home to work for all employees working at a large company have a bell shaped curve with a mean

the one way commuting times from home to work for all employees working at a large company have a bell shaped curve with a mean on 35 mins and a standard deviation of 8 mins. using the empirical rule, approximate percentages of the employees at this company who have one way commuting times in the following intervals

11-59 mins

%?

27 - 43 mins

%?

19-51 mins

%?

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