Question: Random variables XX, have a multinomial distribution if PIX,-x, s kx, for any nonnegative integers x Isisk, with and zero otherwise. Here, n is a

Random variables XX, have a multinomial distribution if PIX,-x, s kx, for any nonnegative integers x Isisk, with and zero otherwise. Here, n is a positive integer and Pla Isisk Prove that if (4,1sisk) is a partition of in with P(A) and X,-number of occurrences of 4, in independent trials, Isisk, then XX have a multinomial distribution. Show that X, is a binomial rv. with parameters. and that p(x,.X) <0

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