Use the appropriate probability model (Binomial).
-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 successes in a binomial distribution is calculated as n * p, where n is the number of trials (10 calls) and p is the probability of success (0.80). Thus, 10 * 0.80 = 8.

Use the Appropriate Probability Model (Binomial)