Probability problem.?

In a class of 7, there are 4 students who play soccer.

If the teacher chooses 3 students, what is the probability that none of the three of them play soccer?

my solution 

students don't play soccer = 7 - 4 = 3

P(None of the 3 play soccer) = 3C3/7C3 = 1/35 Answer

Is my answer correct? 

1 respuesta

Relevancia
  • hace 2 meses
    Respuesta preferida

    Another way:

    (3/7)(2/6)(1/5) = 1/35.

    You did well!

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