Asked by Abby
If you had 4 blue blocks in a bag, how many red blocks would you have to put in to pull out the red ones 1/2 of the time
Answers
Answered by
Reiny
four of them
now you have 4 blue and 4 red
prob of red = 4/8 = 1/2
now you have 4 blue and 4 red
prob of red = 4/8 = 1/2
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