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8. What is the rejection region of the given normal curve at the right? A. z≥ 1.28 B. z≥ 1.645 C. z≥ 1.96 D. z≤2.33 9. Given a left-tailed test, population standard deviation is unknown, n = 27, a = 0.01, what is the critical value? A. t= -2.528 B. t = -2.479 C. t = -1.706 D. t = 2.479 10. What is the critical value if the population variance is known, a = 0.025, a it is a two tailed test? +1 28

8. What is the rejection region of the given normal curve at the right? A. z≥ 1.28 B. z≥ 1.645 C. z≥ 1.96 D. z≤2.33 9. Given a left-tailed test, population standard deviation is unknown, n = 27, a = 0.01, what is the critical value? A. t= -2.528 B. t = -2.479 C. t = -1.706 D. t = 2.479 10. What is the critical value if the population variance is known, a = 0.025, a it is a two tailed test? +1 28

MATLAB: An Introduction with Applications
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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8. What is the rejection region of the given normal curve at the right? A. z≥ 1.28 B. z ≥ 1.645 C. z≥ 1.96 D. z ≤ 2.33 9. Given a left-tailed test, population standard deviation is unknown, n = 27, a = 0.01, what is the critical value? A. t= -2.528 B. t= -2.479 C. t = -1.706 D. t = 2.479 10. What is the critical value if the population variance is known, a = 0.025, and it is a two tailed test? A. z = ±1.28 B. z = +1.645 C. z = ±1.96 D. z = ±2.33
Transcribed Image Text:8. What is the rejection region of the given normal curve at the right? A. z≥ 1.28 B. z ≥ 1.645 C. z≥ 1.96 D. z ≤ 2.33 9. Given a left-tailed test, population standard deviation is unknown, n = 27, a = 0.01, what is the critical value? A. t= -2.528 B. t= -2.479 C. t = -1.706 D. t = 2.479 10. What is the critical value if the population variance is known, a = 0.025, and it is a two tailed test? A. z = ±1.28 B. z = +1.645 C. z = ±1.96 D. z = ±2.33
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