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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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Mathematics
5 months
2021-09-04T21:57:10+00:00
2021-09-04T21:57:10+00:00 1 Answers
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Answers ( )
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