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lbvjy [14]
3 years ago
6

A bag contains 2 green, 9 brown, 7 yellow, and 4 blue marbles.

Mathematics
1 answer:
Oxana [17]3 years ago
4 0

Step-by-step explanation:

Given data

2 green,

9 brown,

7 yellow, and

4 blue marbles.

Sample space S = 2+9+7+4= 22

The probability of picking a ball without replacement

Probability of picking each ball

Pr(green) = 2/22= 1/11

Pr(brown ) = 9/21

Pr(yellow) = 7/20

Pr(blue) = 4/19

Probability of picking yellow then another yellow

P(yellow, then yellow)

=(7/22)*(6/21)= 42/462

=1/11

A. 1/11

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