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.

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Assume that the examination marks of students follow normal distri-
butivn with unknown mean (4) but known variance (a?) = 0.25. Test the hypothesis
Ho : u =8 against H: #8
with the level of significance a = 0.01, the sample mean being equal to 7.8 and the
sample size being 50.
Transcribed Image Text:Assume that the examination marks of students follow normal distri- butivn with unknown mean (4) but known variance (a?) = 0.25. Test the hypothesis Ho : u =8 against H: #8 with the level of significance a = 0.01, the sample mean being equal to 7.8 and the sample size being 50.
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