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A Catalog Company That Receives the Majority of Its Orders

Question 138

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A catalog company that receives the majority of its orders by telephone conducted a study to determine how long customers were willing to wait on hold before ordering a product.The length of waiting time was found to be a variable best approximated by an exponential distribution with a mean length of waiting time equal to 2.8 minutes (i.e.the mean number of calls answered in a minute is A catalog company that receives the majority of its orders by telephone conducted a study to determine how long customers were willing to wait on hold before ordering a product.The length of waiting time was found to be a variable best approximated by an exponential distribution with a mean length of waiting time equal to 2.8 minutes (i.e.the mean number of calls answered in a minute is ) .What is the probability that a randomly selected caller is placed on hold fewer than 7 minutes? A) 0.0009119 B) 0.082085 C) 0.917915 D) 0.9990881 ) .What is the probability that a randomly selected caller is placed on hold fewer than 7 minutes?


A) 0.0009119
B) 0.082085
C) 0.917915
D) 0.9990881

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