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Chapter 13: Q. 9 (page 855)

Find the value of each permutation.

P(4,4)

Short Answer

Expert verified

The value of the given permutation is 24.

Step by step solution

01

Step 1. Given information.

The given permutation is P(4,4).

02

Step 2. Determine the value of the permutation.

We know that,

P(n,r)=n!(n-r)!

The given permutation can be written as:

P(4,4)=4!(4-4)!=4!0!=4脳3脳2脳11=24

03

Step 3. Conclusion.

The value of the given permutation is 24.

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Most popular questions from this chapter

List all the ordered arrangements of 4 objects 1, 2, 3, and 4 choosing 3 at a time without repetition. What is P(4,3)?

Use the information given in the figure.

How many are in A but not C?

The faculty of the mathematics department at Joliet Junior College is composed of 4 females and 9 males. Of the 4 females, 2 are under age 40, and of the males 3 are under age 40. Find the probability that a randomly selected faculty member is:

(a) Female or under age 40

(b) Male or over age 40

A golf ball is selected at random from a container. If the container has 9 white balls, 8 green balls, and 3 orange balls, find the probability of each event.

The golf ball is white or green.

Find the value of each permutation.

P(8,4)
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