Assume that the examination marks of students follow normal distri- butiun with unknown mean (4) but known variance (a?) = 0.25. Test the hypothesis Ho : 4 = 8 against H:u #8 with the level of significance a = 0.01, the sample mean being equal to 7.8 and the sample size being 50.
Assume that the examination marks of students follow normal distri- butiun with unknown mean (4) but known variance (a?) = 0.25. Test the hypothesis Ho : 4 = 8 against H:u #8 with the level of significance a = 0.01, the sample mean being equal to 7.8 and the sample size being 50.
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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