A jewelry store is featuring a diamond in the shape of a square pyramid. The side length of the diamond is 8 millimeters and the slant height is 6 millimeters.

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable