 Ask Remember Me? cari1966 Posts: 8, Reputation: 1 New Member #1 Jul 9, 2012, 09:10 AM
how to solve the probability of something occurring given that it isn't
a wallet contains 8 \$1 bills, 3 \$5 bills and 8 \$10 bills. A bill is selected at random from the wallet. Find themprobability of the following

a. the bill is a \$1, given that it is smaller than \$10
b. The bill is \$5 given that it is not a \$1 ebaines Posts: 12,132, Reputation: 1307 Expert #2 Jul 9, 2012, 09:36 AM Originally Posted by cari1966 a wallet contains 8 \$1 bills, 3 \$5 bills and 8 \$10 bills. A bill is selected at random from the wallet. Find themprobability of the following

a. the bill is a \$1, given that it is smaller than \$10
b. The bill is \$5 given that it is not a \$1

For (a) - how many \$1 bills are there, and how many bills are less than \$10? Divide the former by the latter.
For (b) - use a similar approach. How many bills are \$5 out of how many that are not \$1?

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