Multiple Choice
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 time was found to be a random variable best approximated by an exponential distribution with a mean equal to 2.8 minutes. 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
Correct Answer:
Verified
Correct Answer:
Verified
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