Question: In Exercise 8 113 on page 335 we introduced one sided one mean

In Exercise 8.113 on page 335, we introduced one-sided one-mean t-intervals. The following relationship holds between hypothesis tests and confidence intervals for one-mean t-procedures: For a left-tailed hypothesis test at the significance level α, the null hypothesis
H0: μ = μ0 will be rejected in favor of the alternative hypothesis
Ha: μ < μ0 if and only if μ0 is greater than the (1 − α)-level upper confidence bound for μ.
In each case, illustrate the preceding relationship by obtaining the appropriate upper confidence bound and comparing the result to the conclusion of the hypothesis test in the specified exercise.
a. Exercise 9.105
b. Exercise 9.106

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