The number of customers attended to by a cashier in a pharmacy in the same hour-long period is normally distributed, with mean of 31.6 and standard deviation of 7.5. Identify the range of values around the mean that includes 95% of customers. 11 M 0 XI H 27°C

The number of customers attended to by a cashier in a pharmacy in the same hour-long period is normally distributed, with mean of 31.6 and standard deviation of 7.5. Identify the range of values around the mean that includes 95% of customers. 11 M 0 XI H 27°C

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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The number of customers attended to by a cashier in a pharmacy
in the same hour-long period is normally distributed, with mean
of 31.6 and standard deviation of 7.5. Identify the range of
values around the mean that includes 95% of customers.
HH
05
X
I
W
P
27°C
(4

Expert Solution

Step 1

It is given that

Mean, μ = 31.6

Standard deviation, σ = 7.5

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