Let X~ Po(a) and Y~ Po(b). Prove that if X and Y are independent: a. E(X +
Question:
Let X~ Po(a) and Y~ Po(b). Prove that if X and Y are independent:
a. E(X + Y) = a + b
b. Var(X + Y) = a + b
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a EX Y EX EY Since XPoa and YPob the expected value ...View the full answer
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Related Book For 
Cambridge International AS & A Level Further Mathematics Coursebook
ISBN: 9781108403375
1st Edition
Authors: Lee Mckelvey, Martin Crozier
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