More on two-sided tests and confidence intervals. A 95%
Chapter , Problem 6.48(choose chapter or problem)
More on two-sided tests and confidence intervals. A 95% confidence interval for a population mean is 123, 482. (a) Can you reject the null hypothesis that m 50 against the twosided alternative at the 5% significance level? Explain. (b) Can you reject the null hypothesis that m 45 against the twosided alternative at the 5% significance level? Explain. U
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