Asked by Please help
A set of dominoes has 28 dominos. There are 7 dominos called doubles with the same number of dots on each end. If Sara and Jake each take a rein picking domino at random and replacing it. What is the probability that they will both pick a double?
Answers
Answered by
Reiny
Since the dominoes are returned, the events are independent.
Prob(both doubles) = (7/28)(7/28) = 1/16
Prob(both doubles) = (7/28)(7/28) = 1/16
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