Asked by kaylee

drawing a red checker from bag of 9 black checksrs and 6 red checkers, replacing it and drawing another red checker
Answered by PsyDAG
The probability of drawing a red checker = # of red checkers/total. Since the red checker is replaced, the probability of drawing red the second time is the same.

The probability of both/all events occurring is found by multiplying the probabilities of the individual events.

I hope this helps.
Answered by John
Billy takes two marbles, without replacement, from a bag that contains only six yellow marbles and three blue marbles.
What is the probability that he gets one marble of each color?
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