37 A coin is randomly selected from a group of ten coins, the nth coin having a probability 10 of coming up heads The coin is then repeatedly flipped until a head appears Let denote the number of flips necessary What is the probability distribution of NT Is a geometric random variable When would TV...

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37. A coin is randomly selected from a group of ten coins, the nth coin having a...

Question:

37. A coin is randomly selected from a group of ten coins, the nth coin having a probability Ë/10 of coming up heads. The coin is then repeatedly flipped until a head appears. Let Í denote the number of flips necessary.

What is the probability distribution of NT Is Í a geometric random variable? When would TV be a geometric random variable; that is, what would have to be done differently?

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