The service times for customers coming through a checkout counter in a retail store are independent random variables with mean 1.5 minutes and variance 1.0. Find th the value Yo, such that Pr(1.5 – Yo <Ý < 1.5+ yo) = 0.95, where Y is the average service time of 100 randomly selected customers. 0.196

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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The service times for customers coming through a checkout counter in a retail store
are independent random variables with mean 1.5 minutes and variance 1.0. Find the
the value Yo, such that
Pr(1.5 – Yo <Ý < 1.5 + yo) = 0.95,
where Y is the average service time of 100 randomly selected customers.
0.196
0.165
1.65
0.28
1.96
Transcribed Image Text:The service times for customers coming through a checkout counter in a retail store are independent random variables with mean 1.5 minutes and variance 1.0. Find the the value Yo, such that Pr(1.5 – Yo <Ý < 1.5 + yo) = 0.95, where Y is the average service time of 100 randomly selected customers. 0.196 0.165 1.65 0.28 1.96
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