Question: Help with question a) and b). I don't understand how they got 75% l i? (a) What minimum percentage of commuters in Milwaukee has a

Help with question a) and b). I don't understand how they got 75%

l i? (a) What minimum percentage of commuters in Milwaukee has a commute time within 2 standard deviations of the mean? ' 756% (Round to One decimal place as needed.) (b) What minimum percentage of commuters in Milwaukee has a commute time within 2.5 standard deviations of the mean? What are the commute times within 2.5 standard deviations of the mean? The minimum percentage of commuters in Milwaukee that has a commute time within 2.5 standard deviations of the mean is D%. ' " (Round to one decimal place as needed.)

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