Assignment:
An average of 15 aircraft accidents occur each year (The World Almanac and Book of Facts. 2004).
a. Compute the mean number of aircraft accidents per month.
b. Compute the probability of no accidents during a month.
c. Compute the probability of exactly one accident during a month.
d. Compute the probability of more than one accident during a month.
Provide complete and step by step solution for the question and show calculations and use formulas.