(4 points) Part 2: Sample Size Determination A. Based upon your experience with your data, select a \"desirable" value for E, the margin of error. Choose E to be smaller than the E that you computed in Part 1 A, above. B. Calculate the minimum sample size required to produce resuits accurate to a 95% degree of condence and margin of error, E. Show your calculations; use your sample standard deviation as an approximation for the population standard deviation. C. Write your answer in statement form like \"With a sample size of at least 89, I will be 95% condent that my sample mean will be within 1 year of the true mean age of the US. Senators.&quot