Use the Appropriate Probability Model (Binomial)

Multiple Choice

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, the probability that exactly 7 will be resolved
Within one hour is

A) 0.2013.
B) 0.8791.
C) 0.7897.
D) 0.3452.
E) 0.1209.