A bag contains 7 red checkers and 11 black checkers. One checker is drawn and replaced. Then a second checker is drawn. What is the probability that a red checker was drawn both times?

2 answers

1. there are 18 checkers in the bag each time and each time 7 of them are red
   first time 7/18
   second time 7/18
   49/324 or about 0.15

   Answer ID
   539218

   Created
   April 29, 2011 9:01pm UTC

   Rating
   0

   URL
   https://questions.llc/answers/539218

2. Note:
   This question is really the same as the four aces question you asked below.

   Answer ID
   539240

   Created
   April 29, 2011 9:16pm UTC

   Rating
   0

   URL
   https://questions.llc/answers/539240