According to a publication, 12.6% of 18 to 25-year-olds were users of marijuana in 2000. A recent poll of 1377 randomly selected 18 to 25-year-olds revealed that 201 currently use marijuana. At the 1% significance level, do the data provide sufficient evidence to conclude that the percentage of 18 to 25-year-olds who currently use marijuana has changed from the 2000 percentage of 12.6%? Use the one-proportion z-test to perform the appropriate hypothesis test, after checking the conditions for the procedure. What are the hypotheses for the one-proportion z-test? Ho: p=Ha: P (Type integers or decimals.) What is the test statistic? (Round to two decimal places as needed.) Identify the P-value. The P-value is (Round to four decimal places as needed.) What is the correct conclusion for the hypothesis test? O A. Reject Ho; the data do not provide sufficient evidence to conclude that the percentage who currently use marijuana has changed from 12.6%. O B. Do not reject Ho; the data do not provide sufficient evidence to conclude that the percentage who currently use marijuana has changed from 12.6%. OC. Reject Ho; the data do provide sufficient evidence to conclude that the percentage who currently use marijuana has changed from 12.6%. O D. Do not reject Ho; the data do provide sufficient evidence to conclude that the percentage who currently use marijuana has changed from 12.6%.
According to a publication, 12.6% of 18 to 25-year-olds were users of marijuana in 2000. A recent poll of 1377 randomly selected 18 to 25-year-olds revealed that 201 currently use marijuana. At the 1% significance level, do the data provide sufficient evidence to conclude that the percentage of 18 to 25-year-olds who currently use marijuana has changed from the 2000 percentage of 12.6%? Use the one-proportion z-test to perform the appropriate hypothesis test, after checking the conditions for the procedure. What are the hypotheses for the one-proportion z-test? Ho: p=Ha: P (Type integers or decimals.) What is the test statistic? (Round to two decimal places as needed.) Identify the P-value. The P-value is (Round to four decimal places as needed.) What is the correct conclusion for the hypothesis test? O A. Reject Ho; the data do not provide sufficient evidence to conclude that the percentage who currently use marijuana has changed from 12.6%. O B. Do not reject Ho; the data do not provide sufficient evidence to conclude that the percentage who currently use marijuana has changed from 12.6%. OC. Reject Ho; the data do provide sufficient evidence to conclude that the percentage who currently use marijuana has changed from 12.6%. O D. Do not reject Ho; the data do provide sufficient evidence to conclude that the percentage who currently use marijuana has changed from 12.6%.
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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![According to a publication, 12.6% of 18 to 25-year-olds were users of marijuana in 2000. A recent poll of 1377 randomly selected 18 to 25-year-olds revealed that 201 currently use marijuana. At the 1% significance level, do the data provide sufficient evidence to conclude that the percentage of 18 to 25-year-olds who currently use marijuana has changed from the 2000 percentage of 12.6%? Use the one-proportion z-test to perform the appropriate hypothesis test, after checking the conditions for the procedure.
What are the hypotheses for the one-proportion z-test?
\( H_0: p = \) [ ]
\( H_a: p \) [ ] (Type integers or decimals.)
What is the test statistic?
\( z = \) [ ] (Round to two decimal places as needed.)
Identify the P-value.
The P-value is [ ] (Round to four decimal places as needed.)
What is the correct conclusion for the hypothesis test?
A. \( \text{Reject } H_0: \) the data do not provide sufficient evidence to conclude that the percentage who currently use marijuana has changed from 12.6%.
B. \( \text{Do not reject } H_0: \) the data do not provide sufficient evidence to conclude that the percentage who currently use marijuana has changed from 12.6%.
C. \( \text{Reject } H_0: \) the data do provide sufficient evidence to conclude that the percentage who currently use marijuana has changed from 12.6%.
D. \( \text{Do not reject } H_0: \) the data do provide sufficient evidence to conclude that the percentage who currently use marijuana has changed from 12.6%.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb0eba2fa-d98a-4004-a218-8be54dfcaae8%2F8a301e1b-9c1e-47dd-b463-1079b1ca4d31%2Fky542e_processed.jpeg&w=3840&q=75)
Transcribed Image Text:According to a publication, 12.6% of 18 to 25-year-olds were users of marijuana in 2000. A recent poll of 1377 randomly selected 18 to 25-year-olds revealed that 201 currently use marijuana. At the 1% significance level, do the data provide sufficient evidence to conclude that the percentage of 18 to 25-year-olds who currently use marijuana has changed from the 2000 percentage of 12.6%? Use the one-proportion z-test to perform the appropriate hypothesis test, after checking the conditions for the procedure.
What are the hypotheses for the one-proportion z-test?
\( H_0: p = \) [ ]
\( H_a: p \) [ ] (Type integers or decimals.)
What is the test statistic?
\( z = \) [ ] (Round to two decimal places as needed.)
Identify the P-value.
The P-value is [ ] (Round to four decimal places as needed.)
What is the correct conclusion for the hypothesis test?
A. \( \text{Reject } H_0: \) the data do not provide sufficient evidence to conclude that the percentage who currently use marijuana has changed from 12.6%.
B. \( \text{Do not reject } H_0: \) the data do not provide sufficient evidence to conclude that the percentage who currently use marijuana has changed from 12.6%.
C. \( \text{Reject } H_0: \) the data do provide sufficient evidence to conclude that the percentage who currently use marijuana has changed from 12.6%.
D. \( \text{Do not reject } H_0: \) the data do provide sufficient evidence to conclude that the percentage who currently use marijuana has changed from 12.6%.
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