3. According to statistics reported on CNBC, a surprising number of motor vehicles are not covered by insurance. Sample results, consistent with the CNBC report, showed 46 of 200 vehicles were not covered by insurance. a. Describe the parameter of interest in the context of the question. (1 mark) b. Find the 90% confidence interval for the parameter of interest. Be sure to check the required condition(s) to validate your interval estimate. (3 marks) c. Interpret the 90% confidence interval you calculated in part (b) in the context of the question. (1 mark)