(b) There are three bags that each contains 100 marbles: • Bag 1 has 75 red and 25 blue marbles; • Bag 2 has 60 red and
Posted: Wed May 11, 2022 5:39 am
(b) There are three bags that each contains 100 marbles: • Bag 1 has 75 red and 25 blue marbles; • Bag 2 has 60 red and 40 blue marbles: • Bag 3 has 45 red and 55 blue marbles. One of the bags is selected at random and then pick a marble from the selected bag, also at random. Suppose that the chosen marble is red. What is the probability that Bag 1 was selected? (5 marks)