A bag contains 8 red marbles, 5 blue marbles and 7 green marbles. If three marbles are drawn out of the bag, what is the probability,

Question

A bag contains 8 red marbles, 5 blue marbles and 7 green marbles. If three marbles
are drawn out of the bag, what is the probability, to the nearest 1000th, that all three
marbles drawn will be green?

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Hải Đăng 5 months 2021-09-04T21:57:10+00:00 1 Answers 0 views 0

Answers ( )

  1. Maris
    0
    2021-09-04T21:58:50+00:00
    Reply

    Answer:

    0.031

    Step-by-step explanation:

    The probability of the first being green is 7/20, the second is 6/19 and the third is 5/18.  

    7/20 x 6/19 x 5/18

    Multiply these together to get the total probability:

    0.03070175438

    or

    0.031

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