CHAPTER FIVE: PROBABILITY CONCEPTS DATE: 15-12-2020 EXERCISE: Nursing: 5
1. At a political rally, there are 20 Republicans (R), 13 Democrats
(D), and 6 Independents (I). If a person is selected, rind the
probability that he or she is either a Democrat or an Independent.
2. A day of the week is selected at random. Find the probability that it
is a weekend.
3. A box contains 3 red balls, 2 green bal's and 5 blue balls. A ball is
drawn at random from the box. Find i he probability that the ball is
either green or blue.