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vaieri [72.5K]
3 years ago
14

A bag contains 10 marbles:

Mathematics
1 answer:
Len [333]3 years ago
6 0
Total number of marble = 10
3green
2red
5 blue
Probability that the first marble is red = 2/10

Probability that the second is blue = 5/9(a reduction in the total number of marbles, because after the first marble was picked it wasn't replaced)

Probability of 1st and 2nd being red and blue respectively = 2/10 × 5/9
=1/9....

Hope this helped...?

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