Test H 0 : = 120 vs H a : < 120 using the sample

Question:

Test H₀: μ = 120 vs H_a: μ < 120 using the sample results x̅ = 112.3, s = 18.4, with n = 100.

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.

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...

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