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Chapter 13: Q. 15. (page 868)

Choosing a Team In how many ways can a squad of4relay runners be chosen from a track team of8runners?

Short Answer

Expert verified

The ways are1680.

Step by step solution

01

Step 1. Given information.

Number of runners 4and numbers of runners in a track team are8.

02

Step 2. Calculation.

The ways can a squad runners be chosen is -

C8,4=8!8-4!=8脳7脳6脳5脳4!4!=8脳7脳6脳5=1680.

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