Posted by **sarah** on Sunday, July 7, 2013 at 10:28am.

Assume that there is an urn containing seven $50 bills, six $20 bills, five $10 bills, four $5 bills, and one $1 bill and that the bills all have different serial numbers so that they can be distinguished from each other. A person reaches into the urn and withdraws one bill and then another;

a) in how many ways can two $20 bills be withdrawn

b) how many different outcomes are possible

c) what is the probability of selecting two $20 bills?

- probability -
**Anonymous**, Monday, January 27, 2014 at 4:11pm
629

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