You may need to use the appropriate appendix table or technology to answer this question. (a) Assuming 95% confidence, what sample size would be required to obtain a margin of error of 1.5 days? 2 (b) If the precision statement was made with 90% confidence, what sample size would be required to obtain a margin of error of 3 days? You may need to use the appropriate appendix table or technology to answer this question. (a) Assuming 95% confidence, what sample size would be required to obtain a margin of error of 1.5 days? 2 (b) If the precision statement was made with 90% confidence, what sample size would be required to obtain a margin of error of 3 days