Posted by **COin Filipping help** on Monday, December 10, 2012 at 12:22pm.

1. Consider the "coin flipping game", and let X record the first time when the Head" player has $1. What is the probability that X 7?

2. Continue with the "coin flipping game". Let Y record the fi rst point in time when the "Head" player has $2. What is the probability that Y 7? What is the probability that Y is even? What is the probability that Y is odd(Do these latter two probabilities sum to 1?)

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