[Solution Library] In testing the hypothesis, H 0 : μ ≥ 28.7 and H a: μ < 28.7, using the p -value approach, a p -value of 0.0764 was obtained. If σ
Question: In testing the hypothesis, H 0 : \(\mu \ge \) 28.7 and H a: \(\mu \) < 28.7, using the p -value approach, a p -value of 0.0764 was obtained. If \(\sigma \) = 9.8, find the sample mean which produced this p -value given that the sample of size n = 40 was randomly selected.
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