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Chapter 13: Q. 21 (page 855)

Use the formula C(n,r)=n!(n-r)!r!to find the value of each combination.

C(26,13)

Short Answer

Expert verified

The value of the given combination is 10400600.

Step by step solution

01

Step 1. Given information.

The given combination is C(26,13).

02

Step 2. Determine the value of the given combination.

Using the formula, the given combination can be written as:

C(26,13)=26!(26-13)!13!=26!13!13!=26路25路24路23路22路21路20路19路18路17路16路15路14路13!13!脳13路12路11路10路9路8路7路6路5路4路3路2路1=1040060

03

Step 3. Conclusion.

The value of the given combination is 10400600.

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Most popular questions from this chapter

Find the value of each permutation.

P(8,8)

Through observation, it has been determined that the probability for a given number of people waiting in line at the 鈥�5 items or less鈥� checkout register of a supermarket is as follows:

Find the probability of:

(a) At most 2 people in line

(b) At least 2 people in line

(c) At least 1 person in line

IfnA鈭�B=40,nB=nA,nA鈭�B=60. FindnA.

Use the information given in the figure.

How many are in A but not C?

In a probability model, which of the following numbers could be the probability of an outcome?

00.010.35-0.411.4
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