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  3. a certain drug is used to treat asthma. in a clini

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

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A certain drug is used to treat asthma. In a clinical trial of the drug, 15 of 280 treated subjects experienced headaches (based on datafrom the manufacturer). The accompanying calculator display shows results from a test of the claim that less than 11% of treated subjectsexperienced headaches. Use the normal distribution as an approximation to the binomial distribution and assume a 0.01 significance levelto complete parts (a) through (e) below.Left-tailed testRight tailed testb. What is the test statistic?Z= -3.02(Round to two decimal places as needed.)c. What is the P-value?P-value=

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