A random variable X has the following probability distribution. x 0 1 2 3 4 5 6 7 P(x) 0 K 2K 2K 3K K^2 2K^2 7K^2+K Find (i) the value of K, (ii) P(1.5<X<4.5/X>2)
Added by Jennifer P.
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We have a discrete random variable X with possible values 0, 1, 2, 3, 4, 5, 6, 7 and corresponding probabilities 0, K, 2K, 2K, 3K, K^2, 2K^2, 7K^2 + K. We need to find the value of K such that the sum of all probabilities equals 1. Show more…
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