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4 red marbles, 3 green, 2 yellow. you pick 2 at random.What is probability of a. 1 yellow & 1 red
b. 2 green
9 years ago

Answers

Reiny
is the first marble picked returned before the second is picked ?
- very important.
9 years ago
thomas
no
9 years ago
Reiny
prob(yellow, then red)
= (2/9)(4/8)
= 1/9

follow the same kind of reasoning for your second part
9 years ago

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