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March 6, 2015

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Posted by **gary** on Sunday, January 15, 2012 at 11:54am.

(2) Suppose Jake wants to pick a third marble from the set in question 1. He has already picked a blue marble and then a red one . What is the probability that the third marble will be red?

- math -
**PsyDAG**, Sunday, January 15, 2012 at 2:07pm1. Blue = 5/(3+5) = ?

Since blue marble is already gone, red = 3/(3+4) = ?

Probability of all events occurring is found by multiplying the probabilities of the individual events.

2. 2/(2+4) = ?

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