Question: S Projecting the multinomial distribution. Let E be a finite set, a discrete density on E, n 2 N, and X D .Xa/a2E a random

S Projecting the multinomial distribution. Let E be a finite set, a discrete density on E, n 2 N, and X D .Xa/a2E a random variable with values in

= {k = (ka)aE ZE: ka = n} a E

and multinomial distributionMn;. Show that, for every a 2 E, Xa has the binomial distribution Bn;.a/.

= {k = (ka)aE ZE: ka = n} a E

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