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| Math Central | Quandaries & Queries |
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Question from Timothy: Liza knows that in the long term, she has a 65% chance of making a sale when calling on customers. One morning, he makes Six calls. |
Hi Timothy,
I think part a. should read
a. What is her probability of making three sales?
I think also that you are to assume that the probability of making a sale on a call is independent of whether you made sales on the previous calls. In this case you are using the Binomial Distribution and I suggest you look at my response to Venni's previous question.
Using the notation in this response, for part a. $n = 6, r = 3, \mbox{ and } p = 0.65.$
Penny
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