Mathematics, 13.03.2020 23:27 arlabbe0606

Exercise 8.3. Adam has two brothers, Ben and Chris, and one sister, Daisy. On any given day, Ben calls Adam with probability 0.3, Chris calls Adam with probability 0.4, and Daisy calls Adam with probability 0.7. Let X be the number of siblings that call Adam tomorrow. Find the expectation of X. Hint. Express X as the sum of suitable indicator random variables.

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Exercise 8.3. Adam has two brothers, Ben and Chris, and one sister, Daisy. On any given day, Ben cal...

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