Let the independent random variables X1, X2, and X3 have binomial distributions with parameters n1=3, n2=5,...

Let the independent random variables X1, X2, and X3 have binomial distributions with parameters n1=3, n2=5, n3=2 and the same probabilitiy of success p = 2/5.

Find P(X1=1-X3).

Find P(X1=X3).

Find P(X1+X2+X3>=1).

Find the expected value and variance for X1+X2+X3.

Expert Solution

milcah answered 8 months ago

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