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30 points to whoever solves

30 points to whoever solves-example-1

2 Answers

3 votes

Explanation:

I'll try:

7 boys choose 5 = 7! / (5!2!) = 21 ways

4 girls choose 2 = 4 ! / (2! 2!) = 6 ways

6 x 21 = 126 ways to choose 5 boys and 2 girls

11 cats total choose 7 = 11! /( 7! 4!) = 330 ways to choose 7 cats

126 of these will be 5 boys and 2 girls

126 out of 330 = 126/330 = .382

User Drbarnard
by
7.8k points
4 votes

Answer:

Explanation:

its a 12/14 probabiloty or a 92.5%

User Azr
by
8.0k points