A certain drug is used to treat asthma. In a clinical trial of the​ drug, 20 of 289 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? b. What is the test​ statistic? c. What is the​ P-value?

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Q: A certain drug is used to treat asthma. In a clinical trial of the drug, 19 of 294 treated subjects…

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A: State the hypotheses. Correct option: Option D

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A: The given values are: n1=32,x¯1=76.36,s1=10.17 n2=31,x¯2=86.81,s2=19.49

Q: 18. A certain drug is used to treat asthma. In a clinical trial of the drug, 27 of 282 treated…

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Q: A certain drug is used to treat asthma. In a clinical trial of the drug, 18 of 270 treated subjects…

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Q: certain drug is used to treat asthma. In a clinical trial of the​ drug, 15 of 286 treated subjects…

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Q: The accompanying table gives results from a study of words spoken in a day by men and women. Assume…

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.