Question 11 - 12 (1 + 1 = 2 marks) 11 12 At a recent election, 10% of voters in a certain electorate gave their first preference to the Greens candidate. If 10 people on the electoral roll for the electorate were randomly selected, find the probability that: 11 More than 2 voters, gave their first preference to the Green candidate? A 0.93 B 0.07 C 0.74 D 0.26 12. 3 or less voters, preference to the A 0.01 Green candidate? B 0.93 C 0.99 D 0.07 Question 13 - 15 (1 + 1+ 1 = 3 marks) 13 14 15 Waiting time in an express check out queue follow a normal distribution with mean of 210 seconds and standard deviation of 45 seconds. Use this information to answer the following questions. 13. What is the probability that the customer waits less than 120 A 0.2667 B 0.2776 C 0.0228 D-0.5900 seconds? 14. What is the probability that the customer waits more than 180 A 0.7157 8 0.7486 C 0.2514 D 0.2546 seconds? 15. In a sample of 10 customers, what Is the A 0.9772 B 0.0179 C 0.0228 D 0.9821 probability that the customer waits for an average of less than 240 seconds