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The length of a city’s bus routes are normally distributed with a mean of 14.5 mi and a standard deviation of 3.2 mi.

AWhat percentage of city bus routes are less than 15 mi?
BWhat percentage of city bus routes are greater than 20 mi?
CWhat percentage of city bus routes are less than 10 mi?

Verified Answer :

Thank you for posting your question here at brainly. Please see below answer:

a) What percentage of city bus routes are less than 15 mi? 
56.20820167 ≈ 56.2%

b)What percentage of city bus routes are greater than 20 mi? 
4.282995170  ≈ 4.3 %

c) What percentage of city bus routes are less than 10 mi?
7.98 ≈ 7.98 %

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