Comcast Corporation is the largest cable television company, the second largest Internet service provider, and the fourth largest telephone service provider in the United States. Generally known for quality and reliable service, the company periodically experiences unexpectedservice interruptions. On January 14, 2014, such an interruption occurred for the Comcastcustomers living in southwest Florida. when customers called the Comcast office, a recordedmessage told them that the company was aware of the service outage and that it was anticipated that service would be restored in two hours. Assume that two hours is the mean time todo the repair and that the repair time has an exponential probability distribution.a. what is the probability that the cable service will be repaired in one hour or less?b. what is the probability that the repair will take between one hour and two hours?c. For a customer who calls the Comcast office at 1:00 p.m., what is the probability thatthe cable service will not be repaired by 5:00 p.m.?

Question

Comcast Corporation is the largest cable television company, the second largest Internet service provider, and the fourth largest telephone service provider in the United States. Generally known for quality and reliable service, the company periodically experiences unexpected
service interruptions. On January 14, 2014, such an interruption occurred for the Comcast
customers living in southwest Florida. when customers called the Comcast office, a recorded
message told them that the company was aware of the service outage and that it was anticipated that service would be restored in two hours. Assume that two hours is the mean time to
do the repair and that the repair time has an exponential probability distribution.
a. what is the probability that the cable service will be repaired in one hour or less?
b. what is the probability that the repair will take between one hour and two hours?
c. For a customer who calls the Comcast office at 1:00 p.m., what is the probability that
the cable service will not be repaired by 5:00 p.m.?

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