The graph represents the normal distribution of recorded weights, in pounds, of cats at a veterinary clinic. A graph shows the horizontal axis numbered 7.5 to x. The vertical axis is unnumbered. The graph shows an upward trend from 8 to 9.5 then a downward trend from 9.5 to 11. Which weights are within 2 standard deviations of the mean? Select three options. 8.4 lbs 8.9 lbs 9.5 lbs 10.4 lbs 10.9 lbs