Assume that a hat contains four bills: a $1, a $ 5, a $10, and a $20 bill. Two bills are to be selected at random with

Question

Assume that a hat contains four bills: a $1, a $ 5, a $10, and a $20 bill. Two bills are to be selected at random with replacement. Find the probability that both bills are $20 if the first selected is a $20 bill? 
The probability that both bills are $20 if the first selected is a $20 bill is 
 ________.
(Simplify your answer. Type an integer or a fraction.)

Kunduz · Accepted Answer

Click to see the answer