# The number of days each licensed driver in Marion County uses a commuter rail line annually is normally distributed with mean 66 and standard deviation 21.How many days must a driver use a commuter rail line annually to be in the top 5% of rail users? Round to the nearest integer.

Chapter 1, Application 1.6 #12

The number of days each licensed driver in Marion County uses a commuter rail line annually is normally distributed with mean 66 and standard deviation 21.

How many days must a driver use a commuter rail line annually to be in the top 5% of rail users? Round to the nearest integer.

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ISBN: 9781337271790