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Mathematics, 22.12.2019 06:31 sincere21

There are 3 white marbles and 7 blue marbles in a bag. jamie will randomly pick two marbles out of the bag without replacing the first marble chosen. what is the probability of jamie' s picking 2 white marbles?
a. 1/15
b.1/18
c.1/20
d.1/7

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