Approximate the sample standard deviation given the following frequency distribution. Class Frequency 0 - 19 14 20 - 39 9 40 - 59 17 60 - 79 16 80 - 99 17Question 12 Find the z-score for which the area to the right is 0.91. (Round your answers to two decimal places) The following gure is a normal curve that represents the heights, in inches, of adult women in the United States. (Round your answers to four decimal places) 1 _ 1 Arm _ ().._()(]S Area = 0.0985 61 67 Find the proportion of women who are more than 61 inches tall