Multiple Select Question Select all that apply The Empirical Rule provides precise statements regarding the percentage of observations that fall within a specified number of standard deviations from the mean. Which of the following is a correct statement? Choose all correct answers. Multiple select question. Approximately 95% of all observations fall within +/- 2 standard deviations of the mean Almost all observations fall within +/- 3 standard deviations of the mean Approximately 68% of all observations fall within +/- 1 standard deviations of the mean Approximately 68% of all observations fall within +/- 2 standard deviations of the mean