One research study of illegal drug use among 12-to 17-year-olds reported a decrease in use (from 11.4 % in 1997) to 9.8 % now. Suppose a survey in a large high school reveals that, in a random sample of 1,045 students, 95 report using illegal drugs. Use a 0.05 significance level to test the principal's claim that illegal drug use in her school is below the current national average Formulate the null and alternative hypotheses. Choose the correct answer below OA. H p 0.098 Ha p>0.098 O B. H p<0.098 Ha p 0.098 O C. H p 0 098 Ha p 0098 O D. H p 0.098 Ha p 0.098 Find the test statistic (Round to two decimal places as needed) Find the P-value for the found test statistic (Round to four decimal places as needed.) P-value Now make a conclusion Choose the correct answer below OA Reject H There is insufficient evidence to support the claim that illegal drug use in this principal's school is below the current national average O B. Reject H There is sufficient evidence to support the claim that illegal drug use in this principal's school is below the current national average There is sufficient evidence to support the claim that illegal drug use in this principal's school is below the current national average. O C. Do not reject H There is insufficient evidence to support the claim that illegal drug use in this principal's school is below the current national average. OD. Do not reject H
One research study of illegal drug use among 12-to 17-year-olds reported a decrease in use (from 11.4 % in 1997) to 9.8 % now. Suppose a survey in a large high school reveals that, in a random sample of 1,045 students, 95 report using illegal drugs. Use a 0.05 significance level to test the principal's claim that illegal drug use in her school is below the current national average Formulate the null and alternative hypotheses. Choose the correct answer below OA. H p 0.098 Ha p>0.098 O B. H p<0.098 Ha p 0.098 O C. H p 0 098 Ha p 0098 O D. H p 0.098 Ha p 0.098 Find the test statistic (Round to two decimal places as needed) Find the P-value for the found test statistic (Round to four decimal places as needed.) P-value Now make a conclusion Choose the correct answer below OA Reject H There is insufficient evidence to support the claim that illegal drug use in this principal's school is below the current national average O B. Reject H There is sufficient evidence to support the claim that illegal drug use in this principal's school is below the current national average There is sufficient evidence to support the claim that illegal drug use in this principal's school is below the current national average. O C. Do not reject H There is insufficient evidence to support the claim that illegal drug use in this principal's school is below the current national average. OD. Do not reject H
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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Transcribed Image Text:One research study of illegal drug use among 12-to 17-year-olds reported a decrease in use (from 11.4 % in 1997) to 9.8 % now. Suppose a survey in a large high school reveals that, in a random sample of 1,045 students, 95 report using illegal drugs. Use a 0.05
significance level to test the principal's claim that illegal drug use in her school is below the current national average
Formulate the null and alternative hypotheses. Choose the correct answer below
OA. H p 0.098
Ha p>0.098
O B. H p<0.098
Ha p 0.098
O C. H p 0 098
Ha p 0098
O D. H p 0.098
Ha p 0.098
Find the test statistic
(Round to two decimal places as needed)
Find the P-value for the found test statistic
(Round to four decimal places as needed.)
P-value
Now make a conclusion Choose the correct answer below
OA Reject H There is insufficient evidence to support the claim that illegal drug use in this principal's school is below the current national average
O B. Reject H
There is sufficient evidence to support the claim that illegal drug use in this principal's school is below the current national average
There is sufficient evidence to support the claim that illegal drug use in this principal's school is below the current national average.
O C. Do not reject H
There is insufficient evidence to support the claim that illegal drug use in this principal's school is below the current national average.
OD. Do not reject H
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