Internet service providers (ISP) need to resolve customer problems as quickly as possible.For one ISP, past data indicates that the likelihood is .80 that customer calls regarding Internet service interruptions are resolved within one hour.Out of the next 10 customer calls about interrupted service, how many would be expected to have their service problems resolved within one hour?
A)2
B)4
C)6
D)8
E)10

Question

Quizplus · Accepted Answer

The expected number of calls resolved within one hour is calculated by multiplying the total number of calls by the probability of a call being resolved within that time frame. So, for 10 calls with a .80 probability each, the expected number is 10 * .80 = 8.

Internet Service Providers (ISP) Need to Resolve Customer Problems as Quickly