Question: = Test: Fina... Test: Fina... Question 15 of 21 This test: 200 point(s) possible This question: 14 point(s) possible A certain drug is used to

= Test: Fina...

Test: Fina... Question 15 of 21 This test: 200 point(s) possible This question: 14 point(s) possible A certain drug is used to treat asthma. In a clinical trial of the drug. 18 of 288 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 0.05 significance level to complete parts (a) through (e) below a. Is the test two-tailed, left-tailed, or right-tailed? C) Right tailed test O Left-tailed test O Two-tailed test b. What is the test statistic? (Round to decimal places as needed) c. What is the P-value? P-value = (Round to four decimal places as needed) Submit test I-PropZTest prop < 0.09 z = -1.630748497 p-O.0514716994 p -o. 0625000000 n=288

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