Discrete Probability Distributions: Suppose that Pain Away, a new drug, is effective for 85% of the participants in clinical trials. If a group of five patients take this new drug. a) what is the expected number of patients for whom the drug will be effective? b) what is the probability that the drug will be effective for less than half of them? c) what is the probability distribution of successful patients?

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A: which among the value is approximately equal to P(0.99&lt;z&lt;1.5)

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A: as per company guidelines I solved only First questions ..thank you 

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A: no.of digits(0 to 9)=10

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