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Chapter 13: Q. 16. (page 868)

Baseball In how many ways can2teams from14teams in the American League be chosen without regard to which team is at home ?

Short Answer

Expert verified

The ways are182.

Step by step solution

01

Step 1. Given information.

The number of teams that is14is given.

02

Step 2. Calculation.

It can be calculated by -

C14,2=14!14-2!=14!12!=14脳13脳12!12!=14脳13=182

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Most popular questions from this chapter

True or Falsen!=(n+1)!n.

An urn contains 15 red balls and 10 white balls. Five balls are selected. In how many ways can the 5 balls be drawn from the total of 25 balls:
(a) If all 5 balls are red?

(b) If 3 balls are red and 2 are white?

(c) If at least 4 are red balls?

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

C(18,9)

Find the probability of the indicated event if P(A)=0.25andP(B)=0.45

P(A鈭�B)if A and B are mutually exclusive.

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

C(15,15)
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