It is known that in a bank, the average time required to process the customers’ transaction is 15 minutes with a standard deviation of 4.2 minutes. If the processing time is normally distributed, what is the probability that the customer chosen at random will finish his/her transaction in more than 18 minutes?
It is known that in a bank, the average time required to process the customers’ transaction is 15 minutes with a standard deviation of 4.2 minutes. If the processing time is normally distributed, what is the probability that the customer chosen at random will finish his/her transaction in more than 18 minutes?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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It is known that in a bank, the average time required to process the customers’ transaction is 15 minutes with a standard deviation of 4.2 minutes. If the processing time is normally distributed , what is the probability that the customer chosen at random will finish his/her transaction in more than 18 minutes?
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