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.
drawing a red checker from bag of 9 black checksrs and 6 red checkers, replacing it and drawing another red checker
2 answers
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?
What is the probability that he gets one marble of each color?
2 answers