in 60 seconds, a car in a parade travels 0.2 mile. the car traveled the last 0.05 mile in 12 seconds. how long did it take for the car to travel 0.1 mile?

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