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The rent-n-drive car rental company know from experience

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Reference no: EM13623264

The Rent-n-Drive car rental company know from experience that the number of miles per day that customers drive a rental car upon renting has a normal distribution N(,) with interquatile range, IQR = 55 miles/day.

What is the standard deviation ?

Please explain how you find standard deviation when only the IQR is known.

Reference no: EM13623264

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