Using 5,000 observations, the following histogram summarizes Variable X. a. Is the distribution symmetric? If not, is it positively or negatively skewed? Yes. The distribution is symmetic. No. The distribution is positively skewed. No. The distribution is negatively skewed. b. What proportion of the observations are greater than 5 ? (Round proportion to 2 decimal places.) c. How many of the observations are less than or equal to 5