03-01-2019
Mathematics

contestada

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

Respuesta :

richjessica2002 richjessica2002

03-01-2019

I believe the answer is 20%

Answer Link

mathecoach mathecoach

03-01-2019

Step-by-step 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

Answer Link

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