SOLUTION: A salesman has a 30% probability of making a sale to any customer. Assume all customers are independent of one another. A - what is the probability the first sale is made to th

Algebra ->  Probability-and-statistics -> SOLUTION: A salesman has a 30% probability of making a sale to any customer. Assume all customers are independent of one another. A - what is the probability the first sale is made to th      Log On


   

Question 375804: A salesman has a 30% probability of making a sale to any customer. Assume all customers are independent of one another.
A - what is the probability the first sale is made to the third customer?
B - what is the probability the first four customers do not purchase the product?

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
A- P=0.3, since they are independent.
B-P=%280.7%29%280.7%29%280.7%29%280.7%29=0.2401