Practicing Success
A fair die is rolled. Consider events E = {1, 3, 5} and F = {2, 3} then find P((EIF)-
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1/2 1/3 1/4 1/6 |
1/2 |
When a fair die is rolled, the sample space S will be S= {1, 2, 3, 4, 5, 6} It is given that E = {1, 3, 5} and F= {2, 3} So, P(E) = 3/6 = 1/2 P(F) = 2/6 = 1/3 also, E∩F= {3} So P(E∩F) = 1/6 Hence, P(FIF) = P(E∩F) / P(F) = (1/6)/(1/3) P(FIF) = 1/2 |