Conditional Probability/Independent Events Question
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Conditional Probability/Independent Events Question

[From: ] [author: ] [Date: 11-09-28] [Hit: ]
the biologist selects two mice randomly.(1)What is the probability of selecting two males given that both are grey?......
Assume there are 6 grey females, 2 grey males, 2 white females, and 5 white males. As in the book, the biologist selects two mice randomly.

(1)What is the probability of selecting two males given that both are grey?

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the sample space is 6grey females + 2 grey males = 8

Pr =2/8 *1/7 = 1/28 <-----------
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