You may need to use the appropriate appendix table or technology to answer this question. A student believes that no more than 20% (i.e., s 20%) of the students who finish a statistics course get an A. A random sample of 100 students was taken. Twenty-three percent of the students in the sample received 'A's. (a) State the null and alternative hypotheses. (Enter != for = as needed.) H₂: H₂: (b) Using the critical value approach, test the hypotheses at the 1% level of significance. Compute the test statistic. 0.04 Determine the critical value(s) for this test. (Round your answer(s) to two decimal places. If the test is one-tailed, enter NONE for the unused tail.) test statistic s test statistic 2 State your conclusion. O Reject Ho. There is insufficient evidence to conclude that more than 20% of the students who finish a statistics course get an A. O Do not reject Ho. There is insufficient evidence to conclude that more than 20% of the students who finish a statistics course get an A. O Reject Ho. There is sufficient evidence to conclude that more than 20% of the students who finish a statistics course get an A. O Do not reject Ho. There is sufficient evidence to conclude that more than 20% of the students who finish a statistics course get an A. (c) Using the p-value approach, test the hypotheses at the 1% level of significance. Find the p-value. (Round your answer to four decimal places.) p-value = State your conclusion. O Reject Ho. There is insufficient evidence to conclude that more than 20% of the students who finish a statistics course get an A. O Do not reject H. There is insufficient evidence to conclude that more than 20% of the students who finish a statistics course get an A. O Reject H. There is sufficient evidence to conclude that more than 20% of the students who finish a statistics course get an A. O Do not reject Ho. There is sufficient evidence to conclude that more than 20% of the students who finish a statistics course get an A.
You may need to use the appropriate appendix table or technology to answer this question. A student believes that no more than 20% (i.e., s 20%) of the students who finish a statistics course get an A. A random sample of 100 students was taken. Twenty-three percent of the students in the sample received 'A's. (a) State the null and alternative hypotheses. (Enter != for = as needed.) H₂: H₂: (b) Using the critical value approach, test the hypotheses at the 1% level of significance. Compute the test statistic. 0.04 Determine the critical value(s) for this test. (Round your answer(s) to two decimal places. If the test is one-tailed, enter NONE for the unused tail.) test statistic s test statistic 2 State your conclusion. O Reject Ho. There is insufficient evidence to conclude that more than 20% of the students who finish a statistics course get an A. O Do not reject Ho. There is insufficient evidence to conclude that more than 20% of the students who finish a statistics course get an A. O Reject Ho. There is sufficient evidence to conclude that more than 20% of the students who finish a statistics course get an A. O Do not reject Ho. There is sufficient evidence to conclude that more than 20% of the students who finish a statistics course get an A. (c) Using the p-value approach, test the hypotheses at the 1% level of significance. Find the p-value. (Round your answer to four decimal places.) p-value = State your conclusion. O Reject Ho. There is insufficient evidence to conclude that more than 20% of the students who finish a statistics course get an A. O Do not reject H. There is insufficient evidence to conclude that more than 20% of the students who finish a statistics course get an A. O Reject H. There is sufficient evidence to conclude that more than 20% of the students who finish a statistics course get an A. O Do not reject Ho. There is sufficient evidence to conclude that more than 20% of the students who finish a statistics course get an A.
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:You may need to use the appropriate appendix table or technology to answer this question.
A student believes that no more than 20% ( i.e., s 20%) of the students who finish a statistics course get an A. A random sample of 100 students was taken. Twenty-three percent of the students in the sample received 'A's.
(a) State the null and alternative hypotheses. (Enter != for # as needed.)
H₂:
H₂₂:
(b) Using the critical value approach, test the hypotheses at the 1% level of significance.
Compute the test statistic.
0.04
Determine the critical value(s) for this test. (Round your answer(s) to two decimal places. If the test is one-tailed, enter NONE for the unused tail.)
test statistics
test statistic 2
State your conclusion.
O Reject Ho. There is insufficient evidence to conclude that more than 20% of the students who finish a statistics course get an A.
O Do not reject Ho. There is insufficient evidence to conclude that more than 20% of the students who finish a statistics course get an A.
O Reject Ho. There is sufficient evidence to conclude that more than 20% of the students who finish a statistics course get an A.
O Do not reject Ho. There is sufficient evidence to conclude that more than 20% of the students who finish a statistics course get an A.
(c) Using the p-value approach, test the hypotheses at the 1% level of significance.
Find the p-value. (Round your answer to four decimal places.)
p-value=
State your conclusion.
O Reject Ho. There is insufficient evidence to conclude that more than 20% of the students who finish a statistics course get an A.
O Do not reject Ho. There is insufficient evidence to conclude that more than 20% of the students who finish a statistics course get an A.
O Reject H. There is sufficient evidence to conclude that more than 20% of the students who finish a statistics course get an A.
O Do not reject H. There is sufficient evidence to conclude that more than 20% of the students who finish a statistics course get an A.
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