Show complete solution. Consider the following null and alternative hypothesis. Ho:μ = 120 versus Ha: μ > 120 A random sample of 81 observations taken from this population produced a sample mean of 123.5 and a sample standard deviation of 15. If this test is made at 2.5% significance level, would you reject the null hypothesis?

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Show complete solution.
Consider the following null and alternative hypothesis.
H₂:μ =
= 120
Percu
versus
Ha:μ > 120
A random sample of 81 observations taken from this population produced a sample mean of
123.5 and a sample standard deviation of 15. If this test is made at 2.5% significance level,
would you reject the null hypothesis?
Transcribed Image Text:Show complete solution. Consider the following null and alternative hypothesis. H₂:μ = = 120 Percu versus Ha:μ > 120 A random sample of 81 observations taken from this population produced a sample mean of 123.5 and a sample standard deviation of 15. If this test is made at 2.5% significance level, would you reject the null hypothesis?
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