An important part of the customer service responsibilities of a cable company relates to the speed with which trouble in service can be repaired.Historically,the data show that the likelihood is 0.75 that troubles in a residential service can be repaired on the same day.For the first five troubles reported on a given day,what is the probability that: At least 3 troubles will be repaired on the same day.
A).1035
B).0376
C).9624
D).8965

Question

Quizplus · Accepted Answer

P(x F1F1F1S1F1F1F10 3)= 1 - (P F1F1F1S1F1F1F10 2)= .8965

An Important Part of the Customer Service Responsibilities of a Cable