In a certain population of the freshwater sculpin, Cottus rotheus, the distribution of the number of tail

Question:

In a certain population of the freshwater sculpin, Cottus rotheus, the of the number of tail vertebrae is as shown in the table.

Find the probability that the number of tail vertebrae in a fish randomly chosen from the population
(a) Equals 21.
(b) Is less than or equal to 22.
(c) Is greater than 21.
(d) Is no more than 21.

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...