This test: 100 porntts) possible _ Test: Final This question: 4 point(s) possum (

Test: Final ... ati Question 15 of 25 This test: 100 point(s) possible This question: 4 point(s) possible 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 5.6 5.4 2.8 3.9 5.7 4.8 1.1 7.7 2.1 6.7 8.6 e tents n Resourc se Options unication T a. Construct a 95% confidence 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 hours to hours. (Round to two decimal places as needed.) b. What assumptions need to be made about this population? O 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. O C. The only assumption needed is that the population distribution is approximately normal. O D. No assumptions are required. Time Remaining: 01:41:29 Next