In the population of Dry Gulch, 75% of the population are rancher and 90% are beer drinkers. Only 5% of the population is not a rancher and does not drink beer. Suppose that R is the event "...

In the population of Dry Gulch, 75% of the population are rancher and 90% are beer drinkers. Only 5% of the population is not a rancher and does not drink beer. Suppose thatR
is the event " individual is a rancher" andBis the event "individual drinks beer". Answer the following questions.
a) and individual that drinks beer and is not a rancher would be included in which event?
b) the probability that we randomly select and individual that is a rancher and drinks beer is what?Answer in a fraction.

c) the probability that we randomly select and individual that is a rancher and does not drink beer is what?
Answer in a fraction.