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A basket contains 7 red marbles annd 3 white marbles. Three marbles are drawn one after the other. Find the probability that the first two are red and the third is white.

Question

A basket contains 7 red marbles annd 3 white marbles. Three marbles are drawn one after the other. Find the probability that the first two are red and the third is white.

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Step 1

Here, the sampling method is not specified. The required probability is calculated based on sampling without replacement.

Step 2

Multiplication Rule:

Multiplication rule for three dependent events A,...

P(A BOC)P(A)x P(B|A)xP(C| AOB)
X
--
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P(A BOC)P(A)x P(B|A)xP(C| AOB) X --

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