In: Statistics and Probability
Over the last 5 years a region has been hit by an average of 5 tornadoes per year. Assume this figure to be accurate and that the probability of a tornado occurring remains constant throughout a year. Calculate
a) The probability that the same area will be hit by at least 4 tornadoes this year.
b) The probability more than 4 months go by without a tornado.
The answer below for a) and b) in order separated by a comma is one of the following.