SOLUTION: Joe's wallet contains three $1 bills, four $5 bills, and two $10 bills. A. If he selects three bills in successions, find the probability of selecting a $5 first then two $10 bi

Algebra ->  Probability-and-statistics -> SOLUTION: Joe's wallet contains three $1 bills, four $5 bills, and two $10 bills. A. If he selects three bills in successions, find the probability of selecting a $5 first then two $10 bi      Log On


   



Question 31692: Joe's wallet contains three $1 bills, four $5 bills, and two $10 bills.
A. If he selects three bills in successions, find the probability of selecting a $5 first then two $10 bills if the bills are not replaced?
B. How would the probability be different if the bills were replaced before the next bill is selected?

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
A) Prob = (4/9)(2/8)(1/7)= 1/63
B) Prob = (4/9)(2/9)(2/9)= 16/729=0.0219....
Cheers,
Stan H.