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A metropolitan transportation authority has set a bus mechanical...

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A metropolitan transportation authority has set a bus mechanical...

A metropolitan transportation authority has set a bus mechanical reliability goal of

3,800

bus miles. Bus mechanical reliability is measured specifically as the number of bus miles between mechanical road calls. Suppose a sample of

100

buses resulted in a sample mean of

3,850

bus miles and a sample standard deviation of

325

bus miles. Complete parts​ (a) and​ (b) below.

 


 

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Answered by UltraFlagScorpion19 on coursehero.com

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Step-by-step explanation

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