Observe Illustration 20.17. The figures given below are (a) the frequencies of a distribution, and (6) the frequencies of the normal distribution having the same mean, standard deviation and total fre-
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Q: 1. Let A and B be two events such that P(A) = 0.4, P(B) = 0.7, P(A U B) = 0.9 a) Find P(A n B). b)…
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