Find the distance between the points (31) and (10, 5).
write your answer as a whole number or a simple radical expression. do not round
units

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