Completing the probability distribution

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Reference no: EM1387330

A dish contains 20 gumballs - 9 blue, 6 red and 5 white. We randomly select two gumballs from the dish without replacement.

a) Let X be the number of blue gumballs selected. Complete the probability distribution of X by filling in the appropriate probabilities below:

x 0 1 2
P(X = x)

b) What is the probability that X = 1 if no red gumballs are selected?

c) What is the expected value of X?

Reference no: EM1387330

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