Question 10 A computer desk manufacturer in Brampton sampled its production and found the following results: # of Defects 0 2 3 4 5 # of desks 113 46 15 14 12 0 Determine a. 92% confidence interval estimate of the proportion of computer desks that have at least 2 defects. b. 94% confidence interval estimate of the proportion of computer desks that have at most 3 defects. c. 96% confidence interval estimate of the proportion of computer desks that have more than 2 defects. I a) 0.155