SOLUTION: A salesman has a 60% chance of making a sale to any one customer. The behaviour of successive customers is independent. If two customers A and B enter, what is the probability that

Algebra ->  Probability-and-statistics -> SOLUTION: A salesman has a 60% chance of making a sale to any one customer. The behaviour of successive customers is independent. If two customers A and B enter, what is the probability that      Log On


   

Question 781865: A salesman has a 60% chance of making a sale to any one customer. The behaviour of successive customers is independent. If two customers A and B enter, what is the probability that the salesman will make a sale to A OR B.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
A salesman has a 60% chance of making a sale to any one customer. The behaviour of successive customers is independent. If two customers A and B enter, what is the probability that the salesman will make a sale to A OR B.
-----
P(A or B) = P(A) + P(B) - P(A and B)
============
Cheers,
Stan H.