the national fire incident reporting service stated that, among residential fires, 73% are in family homes, 20% are in apartments, and 7% are in other types of dwellings. a) if four residential fires are independently reported on a single day, what is the probability that two are in family homes, one is in an apartment, and one is in another type of dwelling? b) if six residential fires are independently reported on a single day, what is the probability that three or more were reported from apartments? c) the typical cost of responding to a fire emergency for the local fire department depends on the type of dwelling. for family homes, the cost ascends to 800 usd, whereas for apartments and other types of dwellings the costs are 500 usd and 1,000 usd. the monthly budget for the fire department emergency response team is 20,000 usd. what is, in expectance, the maximum number of fires to which the fire department will be able to provide assistance without running out of budget?
