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A certain drug is used to treat asthma. In a clinical trial of the drug, 25 of 260 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 10% 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? OTwo-tailed test O Left-tailed test O Right 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. OA. Ho: p>0.1 OB. Ho: P 0.1 OC. Ho: p=0.1 CO 1-Prop2Test prop <0.1 2=-0.206724558 p=0.4181124886 p=0.0961538462 n=260

A certain drug is used to treat asthma. In a clinical trial of the drug, 25 of 260 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 10% 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? OTwo-tailed test O Left-tailed test O Right 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. OA. Ho: p>0.1 OB. Ho: P 0.1 OC. Ho: p=0.1 CO 1-Prop2Test prop <0.1 2=-0.206724558 p=0.4181124886 p=0.0961538462 n=260

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, 25 of 260 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 10% 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? Two-tailed test Left-tailed test Right tailed test b. What is the test statistic? Z= (Round t 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. A. Ho: p>0.1 B. Ho: p *0.1 C. Ho: p=0.1 1-PropZTest prop <0.1 z = 0.206724558 p=0.4181124886 p=0.0961538462 n = 260 2 54.00
Transcribed Image Text:A certain drug is used to treat asthma. In a clinical trial of the drug, 25 of 260 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 10% 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? Two-tailed test Left-tailed test Right tailed test b. What is the test statistic? Z= (Round t 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. A. Ho: p>0.1 B. Ho: p *0.1 C. Ho: p=0.1 1-PropZTest prop <0.1 z = 0.206724558 p=0.4181124886 p=0.0961538462 n = 260 2 54.00
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