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  3. flip a fair coin 4 times. let ? and ? denote the n

Flip a fair coin 4 times. Let ? and ? denote the number of heads and...

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Basic Math

  1. Flip a fair coin 4 times. Let ? and ? denote the number of headsand tails correspondingly.

    (a) What is the distribution of ?? What is the distribution of ??

  2. (b) Find the joint PMF. Are ? and ? independent?

    (c) Calculate ?(? ?) and ?(X??)(d) Calculate C??(?, ? ) andC???(?, ? )

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