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Naily [24]
3 years ago
14

Two number cubes are rolled. What is the probability that the sum of the numbers rolled is either 3 or 9?

Mathematics
1 answer:
MariettaO [177]3 years ago
7 0

|\Omega|=6^2=36\\ |A|=\underbrace{2}_{\text{the sum is 3}}+\underbrace{4}_{\text{the sum is 9}}=6\\\\ P(A)=\dfrac{6}{36}=\dfrac{1}{6}\approx17\%

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