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Question: A box contains 2n balls of n different colors, with 2 of each color. Balls are picked at random from the box with replacement until two balls of the same color have appeared, Let X be the number of draws made.
a) Find a formula for P(X > k), k = 2, 3, . . .
b) Assuming n is large, use an exponential approximation to find a formula for k in terms of n such that P(X > k) is approximately 1/2. Evaluate k for n equal to one million.
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Also suppose that the probability that the current player does not reach the semifanals of the tournament is 0.58 and that there is a 0.71 probability that jill is ranked next weekon the WTA circuit. What is the probability that the current player..
How many groups were compared? What was the sample size? What was alpha? What was the critical value?
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