# A lot of 75 washers contains 5 in which the variability in thickness around the circumference of

## Question:

(a) What is the probability that none of the unacceptable washers is in the sample?

(b) What is the probability that at least one unacceptable washer is in the sample?

(c) What is the probability that exactly one unacceptable washer is in the sample?

(d) What is the mean number of unacceptable washers in the sample?

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## Step by Step Answer:

**Related Book For**

## Understanding Business Statistics

**ISBN:** 978-1118145258

1st edition

**Authors:** Stacey Jones, Tim Bergquist, Ned Freed