A: The answer is (D).
Answer the following multiple choice question with options (a), (b), (c), (d), (e).
Q: Resident of town X participated in a survey to determine the number of hours per week each resident spent watching television. The distribution of the results of the survey had a mean of 21 hours and std deviation of 4 hrs. The number of hours that pat, a resident of town X, watched television last week was between 1 and 2 standard deviation below the mean. Which of the following could be the number of hours that Pat watched television last week? Answer Choices: A)30 B)20 C)18 D)12 E)6