You may need to use the appropriate appendix table or technology to answer this question. Consider the following hypothesis test. H0: ? ≥ 20 Ha: ? < 20 A sample of 50 provided a sample mean of 19.1. The population standard deviation is 2. (a) Find the value of the test statistic. (Round your answer to two decimal places.) (b) Find the p-value. (Round your answer to four decimal places.) p-value = (c) Using ? = 0.05, state your conclusion. Reject H0. There is sufficient evidence to conclude that ? < 20. Reject H0. There is insufficient evidence to conclude that ? < 20. Do not reject H0. There is sufficient evidence to conclude that ? < 20. Do not reject H0. There is insufficient evidence to conclude that ? < 20.
You may need to use the appropriate appendix table or technology to answer this question. Consider the following hypothesis test. H0: ? ≥ 20 Ha: ? < 20 A sample of 50 provided a sample mean of 19.1. The population standard deviation is 2. (a) Find the value of the test statistic. (Round your answer to two decimal places.) (b) Find the p-value. (Round your answer to four decimal places.) p-value = (c) Using ? = 0.05, state your conclusion. Reject H0. There is sufficient evidence to conclude that ? < 20. Reject H0. There is insufficient evidence to conclude that ? < 20. Do not reject H0. There is sufficient evidence to conclude that ? < 20. Do not reject H0. There is insufficient evidence to conclude that ? < 20.
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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You may need to use the appropriate appendix table or technology to answer this question.
Consider the following hypothesis test.
H0: ? ≥ 20
Ha: ? < 20
A sample of 50 provided a sample mean of 19.1. The population standard deviation is 2.
(a)
Find the value of the test statistic. (Round your answer to two decimal places.)
(b)
Find the p-value. (Round your answer to four decimal places.)
p-value =
(c)
Using
? = 0.05,
state your conclusion.Reject H0. There is sufficient evidence to conclude that ? < 20.
Reject H0. There is insufficient evidence to conclude that ? < 20.
Do not reject H0. There is sufficient evidence to conclude that ? < 20.
Do not reject H0. There is insufficient evidence to conclude that ? < 20.
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