27 Question 7 0. Decide whether the following hypothesis is one-tailed or two-tailed: The brightness of a person's shirt affects whether or not they will be hired on a job interview. two-tailed one-tailed D Question 8 0.5 pts Decide whether the following hypothesis is one-tailed or two-tailed: People are more altruistic when they are well rested. one-tailed two-tailed Q % V &