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A certain drug is used to treat asthma. In a clinical trial

A certain drug is used to treat asthma. In a clinical trial

A certain drug is used to treat asthma. In a clinical trial of the drug, 26 of 283 treated subjects experienced headaches (based on data from the manufacturer). The accompanying calculator display shows results from a test of the claim that less than 12% of treated subjects experienced headaches. Use the normal distribution as an approximation to the binomial distribution and assume a 0.01 significance level to complete parts (a) through (e) below. (Hound to four decimal places as needed.) d. What is the null hypothesis, and what do you conclude about it? Identify the null hypothesis. A. Ho: p=0.12 B. Ho: p=0.12 C. Ho:p>0.12 D. Ho: p<0.12

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