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A surgical technique is performed on 3 people. If the probability of success is 70%: Construct the probability distribution Graph the probability distribution using a

A surgical technique is performed on 3 people. If the probability of success is 70%:

Construct the probability distribution
Graph the probability distribution using a bar graph and describe the distribution
Find E(X) and Var(X)
What's the probability that the surgery is successful for exactly 2 people
What's the probability that the surgery is successful for fewer than 2 people

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