Mathematics, 03.02.2020 10:57 sabahfayaskhan

Ahypothesis test for a population mean is to be performed at the 5% level of significance. the population standard deviation is known. the hypotheses are h0: μ = 80 ha: μ ≠ 80. a 95% confidence interval for μ is also constructed. true or false, if 80 lies within the 95% confidence interval, then the null hypothesis will be rejected?

a. true

b. false

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