9. Hypothesis Testing for One Sample - Parte 2 di 2!
9. Hypothesis Testing for One Sample / Critical Values and Rejection Regions / Problema 4
Problema 4
A researcher claims that more than of adults prefer drinking coffee over tea. To test this claim, a random sample of adults is surveyed, and report preferring coffee. Using a significance level of , determine the critical value , and decide whether to reject or fail to reject the null hypothesis.