Mathematics, 02.11.2020 01:00 lucas2020197
Given P(A) = 0.5 and P(B) = 0.3, do the following. (a) If A and B are mutually exclusive events, compute P(A or B). (b) If P(A and B) = 0.2, compute P(A or B).
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George has seven boxes of five pencils. giulio three boxes of eight pencils. one of the boys arranges all his pencils equally into two groups. was this george or giulio how many are in each group explain
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Prove (a) cosh2(x) β sinh2(x) = 1 and (b) 1 β tanh 2(x) = sech 2(x). solution (a) cosh2(x) β sinh2(x) = ex + eβx 2 2 β 2 = e2x + 2 + eβ2x 4 β = 4 = . (b) we start with the identity proved in part (a): cosh2(x) β sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 β sinh2(x) cosh2(x) = 1 or 1 β tanh 2(x) = .
Answers: 3
Given P(A) = 0.5 and P(B) = 0.3, do the following. (a) If A and B are mutually exclusive events, com...
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