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August 5, 2015

Homework Help: Statistics

Posted by Sam on Wednesday, January 12, 2011 at 10:27pm.

1.In a jar, suppose there are 3 blue marbles, 2 yellow marbles and one red marble.


c. Suppose that 3 marbles are drawn from the jar without replacement. What is the probability that the 3 marbles are all different colors?
d. Suppose that 4 marbles are drawn from the jar with replacement. What is the probability that exactly 2 of the four drawn are red?
e. Suppose that 3 marbles are drawn from the jar with replacement. How many yellow marbles would you expect to draw?

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