Answer the following questions

E Homework: Ch 3, 3-2: Measures of variation Save MyLab Stat Score: 0 of 1 pt 1 of 7 (1 complete) HW Score: 0%, 0 of 7 p My Courses X 3.2.41 Question Help Course Home The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 264.2 and a standard deviation of 64.2. (All units are 1000 cells/HL.) Using Announcements the empirical rule, find each approximate percentage below. a. What is the approximate percentage of women with platelet counts within 3 standard deviations of the mean, or between 71.6 and 456.8? Assignments b. What is the approximate percentage of women with platelet counts between 135.8 and 392.6? a. Approximately |% of women in this group have platelet counts within 3 standard deviations of the mean, or between 71.6 and 456.8. Study Plan (Type an integer or a decimal. Do not round.) Gradebook StatCrunch eText Chapter Contents VI Vi (1,1) More Tools for Success Enter your answer in the answer box and then click Check Answer. s://www.mathxl.com/Student/PlayerHomework.aspx?homeworkld=570273078&questionld=1&flushed=false&cld=6101031&ce. MAT 122 B2 $2 2020 Philomina Acquah & | 07/24/20 7:42 PM Homework: Ch 3, 3-2: Measures of variation Save Score: 0 of 1 pt 3 of 7 (1 complete) HW Score: 0%, 0 of 7 pt 3.2.4 Question Help Identify the symbols used for each of the following: (a) sample standard deviation; (b) population standard deviation; (c) sample variance; (d) population variance. a. The symbol for sample standard deviation is b. The symbol for population standard deviation is c. The symbol for sample variance is d. The symbol for population variance is PhotoGrid