SOLUTION: a salesman has 60% chance of making a sale to anyone customer. the behaviour of successive customer is independent. if 2 customers A & B enter, what is the probability that the sal

Algebra ->  Probability-and-statistics -> SOLUTION: a salesman has 60% chance of making a sale to anyone customer. the behaviour of successive customer is independent. if 2 customers A & B enter, what is the probability that the sal      Log On


   

Question 791148: a salesman has 60% chance of making a sale to anyone customer. the behaviour of successive customer is independent. if 2 customers A & B enter, what is the probability that the salesman will make a sale to A or B.
Answer by oscargut(2103) About Me  (Show Source):
You can put this solution on YOUR website!
P(A or B) = P(A)+P(B)-P(A and B)
= 0.6+0.6 -P(A)P(B)
= 1.2-0.36 = 0.84
ANswer: 0.84