You work for a pharmaceutical company that is testing a new cholesterol drug. Th

Question

You work for a pharmaceutical company that is testing a new cholesterol drug. The proportion of patients on the previous drug who had a positive treatment was 0.353. You want to see if the new drug is more effective than the previous drug. You conduct a sample of 117 patients on the new drug and find that 58 have had a positive treatment effect. The 95% confidence interval is ( 0.4051 , 0.5863 ). What is the best conclusion you can make of those listed below?

a) The proportion of patients on the new drug who saw a positive treatment effect from 0.353 is 95%.

b) We can conclude that the proportion of patients who see a positive treatment effect with the new drug is smaller than 0.353.

c) We can not conclude that the proportion of patients who see a positive treatment effect with the new drug differs from 0.353.

d) The confidence interval does not provide enough information to form a conclusion.

e) We can claim that the proportion of patients who see a positive treatment effect with the new drug is larger than 0.353.

Explanation / Answer

Test conducted to see if the new drug is more effective than the previous drug

e) We can claim that the proportion of patients who see a positive treatment effect with the new drug is larger than 0.353.

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