Answer:
1/36
Explanation:
Given the sample space
S= [$1, $2, $5, $10, $20, $50] = 6
Hence the probability of choosing a
$5 bill is
Pr($5) = 1/6
Also the probability of choosing a $20 bill is
Pr($20) = 1/6
Therefore the probability of choosing a $5 bill and a $20 bill
Pr($5,$20) = 1/6*1/6= 1/36