This test: 100 point(s) possible @3 This question: 4 point(s) possible : Test: Final Question 15 of 25 Submit test The following data show the number of hours per day 12 adults spent in front of screens watching television-related content. Complete parts a and b below. 1.9 5.4 3.9 4.8 7.7 6.7 Q1 5.6 2.8 5.7 1.1 2.1 8.6 a. Construct a 95% condence interval to estimate the average number of hours per day adults spend in front of screens watching television-related content. The 95% confidence interval to estimate the average number of hours per day adults spend in front of screens watching television-related content is from D hours to D hours. (Round to two decimal places as needed.) b. What assumptions need to be made about this population? 0 A. The only assumption needed is that the population distribution is approximately uniform. O B. The only assumption needed is that the population standard deviation is known. ul'ce O c. The only assumption needed is that the population distribution is approximately normal. 0 D. No assumptions are required. 950\" l ptions