At one university, the mean distance commuted to campus by students is 16.0 miles, with a standard deviation of 5.3 miles. Suppose that the commute distances are normally distributed. Complete the following statements. (a) Approximately ? miles and 31.9 miles. of the students have commute distances between 0.1 (b) Approximately 68% of the students have commute distances between O miles and miles.

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