Which statement does not describe a normal distribution? O A. The median is equal to the mean.
B. The distribution is negatively skewed.
O C. The number of observations trails off as you move away from the
mean.
O D. Most of the observations are near the mean.

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)