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2 votes
five friends choose from among 10 movies to watch. what is the probability that at least 2 of them choose the same movie?

2 Answers

5 votes
I believe the answer is 20%
User Bharath Pabba
by
7.7k points
3 votes

Explanation:

P(at least 2 choose the same movie)

= 1 - P(all choose a different movie)

= 1 - 10/10 * 9/10 * 8/10 * 7/10 * 6/10 = 0.6976


User Aminrd
by
8.0k points

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