SOLUTION: Please help me solve the following problem. Question The records of a department store show that 10% of their customers who make a purchase return the merchandise in order

Algebra ->  Probability-and-statistics -> SOLUTION: Please help me solve the following problem. Question The records of a department store show that 10% of their customers who make a purchase return the merchandise in order       Log On


   

Question 1075192: Please help me solve the following problem.

Question
The records of a department store show that 10% of their customers who make a purchase return the merchandise in order to exchange it. What is the probability that in the next eight purchases how many customers do you expect to return the merchandise?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
10% of the store's customers return their merchandise, so in the next 8 transactions you would expect .1 x 8, or .8 of a customer to return their goods (rounded off to 1 person). ☺☺☺☺