A box contains seven green marbles, six blue marbles and eight orange marbles. Without looking, you choose two marbles out of the bag. What is the probability that the first two picked will both be green if you don't replace the marble after the first pick?

Question

Hezekiah

8 November, 11:38

+3

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Karli Tanner · Answer 1

1/10. the first one is 7 out of 21 of them and the second one is 6 out of 20, and 7/20 times 6/20 is 1/10