Question 2 A supermarket buys apples from 3 producers Bi, B2 and By. It is known that 40% of /9 the apples purchased by the supermarket comes from B1, 25% from B2 and 35% from B3. Independent testing was carried out to determine if the apples contains excess amounts of pesticides. The tests showed that 4% of the apples from B1, 2% of the apples from B2 and 5% of the apples from Ba contain excess amounts of pesticides. (a) Express the given information using probability notation. /3 (b) What is the probability that a randomly selected apple from the store-room of the supermarket contains excess amounts of pesticides? 13 Page 4 of 14 4/14 (c) A randomly selected apple from the store-room is found to contain excess amounts of pesticides. What is the probability that the apple came from producer By