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Use the t-distribution and the sample results to complete the test of the hypotheses. Use a...

Use the t-distribution and the sample results to complete the test of the hypotheses. Use a 5% significance level. Assume the results come from a random sample, and if the sample size is small, assume the underlying distribution is relatively normal.

Test H0 : μ=4 vs Ha : μ≠4 using the sample results x¯=4.8, s=2.3, with n=15.

ME:

99% confidence interval

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sm Wednesday 06 Thursday 07 4.81.

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