A certain drug is used to treat asthma. In a clinical trial of the drug, 24 of 286 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 9% 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. a. Is the test two-tailed, left-tailed, or right-tailed? O Right tailed test O Left-tailed test OTwo-tailed test b. What is the test statistic? 2=0 (Round to two decimal places as needed.) c. What is the P-value? P-value= (Round to four decimal places as needed.) d. What is the null hypothesis, and what do you conclude about it? Identify the null hypothesis. OA. Ho: p>0.09 OB. Ho: p<0.09 OC. Ho: p=0.09 O D. Ho: p=0.09 1-Prop2Test prop<0.09 z=-0.359521015 p=0.3596026798 p=0.0839160839 n=286

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