Question
A restaurant offers pizza delivery service to a campus dormitory. Delivery times follow a normal distribution with mean 20 minutes and standard deviation 5 minutes.
A restaurant offers pizza delivery service to a campus dormitory. Delivery times follow a normal
distribution with mean 20 minutes and standard deviation 5 minutes.
a. For a single delivery, state in which of the following ranges (expressed in minutes) delivery time is
most likely to lie. Briefly explain your choice without doing any calculation.
1820 1921 2022 2123
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An Introduction to Analysis
Authors: William R. Wade
4th edition
132296381, 978-0132296380
