# There are 7 books needing reshelving in the undergraduate library. Sixty-five percent of the library's collection consists

## Question:

a. What is the probability that all 7 of them are reference books?

b. What is the probability that the majority of these 7 books are reference books?

c. What is the expected number of reference books in this collection of 7 books?

d. What is the standard deviation of the number of reference books in this collection?

e. Show the labeled graph of the mass for this story.

f. Show the labeled graph of the CDF for this story.

Fantastic news! We've Found the answer you've been seeking!

## Step by Step Answer:

**Related Book For**

## Introduction to Probability

**ISBN:** 978-0716771098

1st edition

**Authors:** Mark Daniel Ward, Ellen Gundlach