Question: One box contains 25 red marbles and 10 blue marbles, and a second box contains 10 red marbles and 15 blue marbles. A box is

One box contains 25 red marbles and 10 blue marbles, and

One box contains 25 red marbles and 10 blue marbles, and a second box contains 10 red marbles and 15 blue marbles. A box is selected at random, and a marble is chosen from a box. i. ii. What is the probability that the chosen marble is red? (2 marks) If the chosen marble is red, what is the probability that it came from the second box

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