Some animals eat a lot one day and only a little the next. At the Toronto Zoo, a bald eagle ate 700 grams of meat on Monday. On Tuesday, the eagle ate 300 grams of meat.

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