13 A certain drug is used to treat asthma. In a clinical trial of the drug, 24 of 286 treated subjects experiencedheadaches (based on data from the manufacturer). The accompanying calculator display shows results from atest of the claim that less than 9% of treated subjects experienced headaches. Use the normal distribution asan 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?Right tailed testLeft-tailed testTwo-tailed testb. 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>0.09B. Ho: p<0.09O C. Ho: p *0.09O D. Ho: p=0.091-PropZTestprop<0.09z = -0.359521015p=0.3596026798p=0.0839160839n=286 Decide whether to reject the null hypothesis. Choose the correct answer below.O A. Reject the null hypothesis because the P-value is greater than the significance level, c.B. Fail to 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 less than or equal to the significance level, c.e. What is the final conclusion?O A.There is not sufficient evidence to support the claim that less than 9% of treated subjects experienced headaches.B. There is not sufficient evidence to warrant rejection of the claim that less than 9% of treated subjects experienced headaches.O C. There is sufficient evidence to support the claim that less than 9% of treated subjects experienced headaches.D. There is sufficient evidence to warrant rejection of the claim that less than 9% of treated subjects experienced headaches.

A certain drug is used to treat asthma. In a clinical trial of the drug, 24 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 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 Right tailed test O Left-tailed test OTwo-tailed test b. What is the test statistic? 2=0 (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>0.09 OB. Ho: p<0.09 OC. Ho: p=0.09 O D. Ho: p=0.09 1-Prop2Test prop<0.09 z=-0.359521015 p=0.3596026798 p=0.0839160839 n=286

A certain drug is used to treat asthma. In a clinical trial of the drug, 24 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 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 Right tailed test O Left-tailed test OTwo-tailed test b. What is the test statistic? 2=0 (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>0.09 OB. Ho: p<0.09 OC. Ho: p=0.09 O D. Ho: p=0.09 1-Prop2Test prop<0.09 z=-0.359521015 p=0.3596026798 p=0.0839160839 n=286

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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Question

A certain drug is used to treat asthma. In a clinical trial of the drug, 24 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 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?
Right tailed test
Left-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
O C. Ho: p *0.09
O D. Ho: p=0.09
1-PropZTest
prop<0.09
z = -0.359521015
p=0.3596026798
p=0.0839160839
n=286

Decide whether to reject the null hypothesis. Choose the correct answer below.
O A. Reject the null hypothesis because the P-value is greater than the significance level, c.
B. Fail to 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 less than or equal to the significance level, c.
e. What is the final conclusion?
O A.
There is not sufficient evidence to support the claim that less than 9% of treated subjects experienced headaches.
B. There is not sufficient evidence to warrant rejection of the claim that less than 9% of treated subjects experienced headaches.
O C. There is sufficient evidence to support the claim that less than 9% of treated subjects experienced headaches.
D. There is sufficient evidence to warrant rejection of the claim that less than 9% of treated subjects experienced headaches.

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