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OlgaM077 [116]
3 years ago
11

A bag has 2 yellow, 7 red, and 1 green marble. What is the probability of picking a yellow marble, replacing it, and then pickin

g another yellow marble?
Mathematics
1 answer:
s2008m [1.1K]3 years ago
3 0
2 yellow marbles, 7 red marbles, 1 green marble.....total of 10 marbles

probability of first picking a yellow marble : 2/10 reduces to 1/5
replacing the marble
probability of picking another yellow marble : 2/10 reduces to 1/5

probability of both is : 1/5 * 1/5 = 1/25 <==
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