Question: Test H 0 : = 4 vs H a : 4 using the sample results x = 4.8, s = 2.3, with

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

Use the t-distribution and the sample results to complete the test of the hypotheses. Use a5%significance level. Assume the results come from a random sample, and if the sample size is small, assume the underlying distribution is relatively normal.

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