see Reiny's solution at
http://www.jiskha.com/display.cgi?id=1394074310
You have six $1 bills, eight $5 bills, two $10 bills, and four$20 dollar bills in your wallet. You select a bill at random. Without replacing the bill, you choose a second bill. What is P($1, then $10)?
A. 77/190
B. 3/100
C.3/95
D.2/5
1 answer