Question: Find the indicated probabilities using the geometric distribution, the Poisson distribution, or the binomial distribution. Then determine if the events are unusual. Assume the probability

Find the indicated probabilities using the geometric distribution, the Poisson distribution, or the binomial distribution. Then determine if the events are unusual.

Assume the probability that you will make a sale on any given telephone call is 0.11. Find the probability that you (a) make your first sale on the fifth all, (b) make your sale on the first, second, or third call, and (c) do not make a sale on the first three calls.

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