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a. Is the test two tailed, leh tailed, or right taled? O Two tailed test O Left tailed test O Right talled test b. What is the test statistic? (Round to two decimal places as needed) c. What is the P.value? Pvalue

a. Is the test two tailed, leh tailed, or right taled? O Two tailed test O Left tailed test O Right talled test b. What is the test statistic? (Round to two decimal places as needed) c. What is the P.value? Pvalue

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 certaín drug is used to treat asthma. In a clinical trial of the drug, 15 of 286 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 11% 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. 1-PropZTest prop < 0.11 z = - 3.1106B0942 p= 0.0009332825 p=0.0524475524 n= 286 a. Is the test two-tailed, left-tailed, or right-tailed? O Two-tailed test O Left-tailed test O Right talled test b. What is the test statistic? (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=0.11 O B. H, p>0.11 O C. Ho p<0.11 O D. H, p 0.11 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, a. O B. Fail to reject the null hypothesis because the P-value is greater than the significance level, a O C. Reject the null hypothesis because the P-value is less than or equal to the significance level, a O D. Reject the null hypothesis because the P-value is greater than the significance level, a e. What is the final conclusion?
Transcribed Image Text:A certaín drug is used to treat asthma. In a clinical trial of the drug, 15 of 286 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 11% 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. 1-PropZTest prop < 0.11 z = - 3.1106B0942 p= 0.0009332825 p=0.0524475524 n= 286 a. Is the test two-tailed, left-tailed, or right-tailed? O Two-tailed test O Left-tailed test O Right talled test b. What is the test statistic? (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=0.11 O B. H, p>0.11 O C. Ho p<0.11 O D. H, p 0.11 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, a. O B. Fail to reject the null hypothesis because the P-value is greater than the significance level, a O C. Reject the null hypothesis because the P-value is less than or equal to the significance level, a O D. Reject the null hypothesis because the P-value is greater than the significance level, a e. What is the final conclusion?
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