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December 21, 2014

Homework Help: math

Posted by Hoon on Thursday, October 14, 2010 at 12:14am.

Assume that showing a car is a Bernoulli trial, and each time she shows a car,
there is a probability of 0.25 that the customer will buy the car. The
saleswoman has a goal of selling at least one car a week.



How many cars must she show so that the probability of her reaching her goal
is at least 0.99?

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