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A standard drug is effective with probability 0.9. (a) If X is the random variable describing recovery using the standard drug, use Chebyshev's inequality fork=2onX.

A standard drug is effective with probability 0.9.

(a) If X is the random variable describing recovery using the standard drug, use Chebyshev's inequality fork=2onX. InterprettheresultbyrelatingittoP(X=1)orP(X=0).

(b) A new drug is tested on 100 patients, and 95 of them recover. Is the new drug superior?

(To answer this part, we have to evaluate whether the new drug could result to at least 95 recoveries if it is truly not superior.)

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