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

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) (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.
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