Mathematics, 12.07.2019 17:10 kmshacklette9879

The distribution of the amount of money spent on book purchases for a semester by college students has a mean of $280 and a standard deviation of $40. if the distribution is bell-shaped and symmetric, what proportion of students will spend between $200 and $280 this semester? round your answer to four decimal places.

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The distribution of the amount of money spent on book purchases for a semester by college students h...