1 answer

A drug tester claims that a drug cures a rare skin disease 65% o the time....

Question:

A drug tester claims that a drug cures a rare skin disease 65% o the time. The claim is checked by testing the rug on 100 patients fat east 60 patients are cured the claim will be accepted. Find the probability that the claim will be rejected assuming that the manufacturers claim is true. Use the normal distribution to approximate the binomial distribution if possible The probability is (Round to four decimal places as needed )

A drug tester claims that a drug cures a rare skin disease 65% o the time. The claim is checked by testing the rug on 100 patients fat east 60 patients are cured the claim will be accepted. Find the probability that the claim will be rejected assuming that the manufacturer's claim is true. Use the normal distribution to approximate the binomial distribution if possible The probability is (Round to four decimal places as needed )

Answers

Solution:-

The probability is 0.1473.

The claim will be rejected if the sample proportion is less than 0.60.

By applying normal distruibution:-

P-p p(1-p)

z = - 1.048

P(z < -1.048) = 0.1473

.

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