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