andomly wear on Monday, and then a different one on Tuesday. You wear a blue shirt on Monday and a green shirt on Tuesday. Determine whether the scenario involves independent or dependent event. Find the probability. 7. You are setting the combination on a four-digit lock. You want the number 1234 but don't care what order they are in. Find the number of possibilities. 8. Is a 90% confidence interval estimate of the mean SAT Math score wider than the 95% confidence interval estimate you got from part 2 in Problem 5)? Why? Note: you don't have to actually construct the 90% confidence interval.