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love history [14]
3 years ago
11

a. A bag contains 7 b l u e marbles, 10 g r e e n marbles, and 5 r e d marbles. If a marble is drawn from the bag, replaced, and

another marble is drawn, what is the probability of drawing first a b l u e marble and then a r e d marble
Mathematics
1 answer:
Maru [420]3 years ago
8 0

7 + 10 + 5 = 22 total marbles.

Picking a blue one first would be 7 blue/22 total = 7/22

Picking a red one would be 5 red / 22 total = 5/22

Picking blue first and then red = 7/22 x 5/22 = 35/484

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