An army is composed of 5 divisions. Each division has 10,000 soliders. In each regiment the desertion rate is 2 soldiers per month. DESERTERS ARE REPLACED.
a) Find the probability that in the army as a whole there will be 3 or more desertions in a given month.
b) What is the probability that there will be at least 3 months during the year that will have 2 or less deserters.
A probability problem is solved.