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Liza works for a call center |
2019-10-31 |
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Timothy pose la question :
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.
a. What is her probability of making three calls?
b. What is her probability of making sales fewer than three?
Penny Nom lui répond. |
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