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A certain drug is used to treat asthma. In a clinical trial of the drug, 19 of 293 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 Left-tailed test O Right tailed test OTwo-tailed test b. What is the test statistic? Z= (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. O A. Ho: p=0.09 O B. Ho: p=0.09 OC. Ho: p<0.09 OD HD20.09 1-Prop2Test prop<0.09 z=1.504498388 p=0.0662265441 P=0.0648464164 n=293

A certain drug is used to treat asthma. In a clinical trial of the drug, 19 of 293 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 Left-tailed test O Right tailed test OTwo-tailed test b. What is the test statistic? Z= (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. O A. Ho: p=0.09 O B. Ho: p=0.09 OC. Ho: p<0.09 OD HD20.09 1-Prop2Test prop<0.09 z=1.504498388 p=0.0662265441 P=0.0648464164 n=293

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A certain drug is used to treat asthma. In a clinical trial of the drug, 19 of 293 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 Left-tailed test Right tailed test Two-tailed test b. What is the test statistic? z= (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. O A. Ho: p=0.09 B. Ho: p=0.09 OC. Ho: p<0.09 O D. Ho:p>0.09 1-PropZTest prop<0.09 z = -1.504498388 p=0.0662265441 p=0.0648464164 n=293
Transcribed Image Text:A certain drug is used to treat asthma. In a clinical trial of the drug, 19 of 293 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 Left-tailed test Right tailed test Two-tailed test b. What is the test statistic? z= (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. O A. Ho: p=0.09 B. Ho: p=0.09 OC. Ho: p<0.09 O D. Ho:p>0.09 1-PropZTest prop<0.09 z = -1.504498388 p=0.0662265441 p=0.0648464164 n=293
Decide whether to reject the null hypothesis. Choose the correct answer below. O A. Fail to reject the null hypothesis because the P-value is less than or equal to the significance level, c. B. Reject the null hypothesis because the P-value is less than or equal to the significance level, c. O C. Fail to reject the null hypothesis because the P-value is greater than the significance level, c. O D. Reject the null hypothesis because the P-value is greater than the significance level, a. e. What is the final conclusion? A. There is not sufficient evidence to warrant rejection of the claim that less than 9% of treated subjects experienced headaches. B. There is sufficient evidence to support the claim that less than 9% of treated subjects experienced headaches. C. There is sufficient evidence to warrant rejection of the claim that less than 9% of treated subjects experienced headaches. O D. There is not sufficient evidence to support the claim that less than 9% of treated subjects experienced headaches.
Transcribed Image Text:Decide whether to reject the null hypothesis. Choose the correct answer below. O A. Fail to reject the null hypothesis because the P-value is less than or equal to the significance level, c. B. Reject the null hypothesis because the P-value is less than or equal to the significance level, c. O C. Fail to reject the null hypothesis because the P-value is greater than the significance level, c. O D. Reject the null hypothesis because the P-value is greater than the significance level, a. e. What is the final conclusion? A. There is not sufficient evidence to warrant rejection of the claim that less than 9% of treated subjects experienced headaches. B. There is sufficient evidence to support the claim that less than 9% of treated subjects experienced headaches. C. There is sufficient evidence to warrant rejection of the claim that less than 9% of treated subjects experienced headaches. O D. There is not sufficient evidence to support the claim that less than 9% of treated subjects experienced headaches.
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