Question: pharmaceutical lab states that a drug causes negative side effects in 3 of every 100 patients. To confirm this affirmation, another laboratory chooses 5 people

pharmaceutical lab states that a drug causes negative side effects in 3 of every 100 patients. To confirm this affirmation, another laboratory chooses 5 people at random who have consumed the drug. Also find its mean and variance of this distribution. What is the probability of the following events, (i) There is no side effect patients (ii) at least 2 side effect patients.

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