SOLUTION: an automobile saleswoman finds that the probability of making a sale is 0.23. If she talks to four customers today, find the probablility that she will sell four cars?
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Question 629719: an automobile saleswoman finds that the probability of making a sale is 0.23. If she talks to four customers today, find the probablility that she will sell four cars?
Hi,
Talks to four customers. p(sale) = .23
P(4 sales) = = .0028
Note: The probability of x successes in n trials is:
P = nCx* where p and q are the probabilities of success and failure respectively.
In this case p = .23 and q = .77
nCx =