Question 1.1. Two-tailed tests ________. (Points : 1) have only lower critical values have only upper critical values have both upper and lower critical values do not have any critical values Question 2. 2. Hypothesis testing always assumes that ________. (Points : 1) the alternative hypothesis is true the null hypothesis is true the probability of the null hypothesis being true is less than 50% the probability of the alternative hypothesis being true is less than 50% Question 3. 3. The power of the test represents the ________. (Points : 1) probability of correctly failing to reject the null hypothesis when it is indeed true probability of incorrectly rejecting the null hypothesis when it is actually true probability of incorrectly failing to reject the null hypothesis when it is actually false probability of correctly rejecting the null hypothesis when it is indeed false Question 4. 4. The power of the test has a value of ________. (Points : 1) 1 - a 1 + ß 1 - ß a - ß