Question Answered step-by-step A confidence interval for a population mean has length 14. a…. A confidence interval for a population mean has length14. a. Determine the margin of error. b. If the sample mean is70?,obtain the confidence interval. c. Construct a graph that illustrates your results. Question content area bottom Part 1 a. The margin of error is ?(Type an integer or a decimal. Do not? round.) Part 2 b. The confidence interval for ? is from _______ to _________ Math Statistics and Probability EE 13 Share QuestionEmailCopy link Comments (0)