13 and 14

c) Would it be unusual if at least one of old? 13. For the fiscal year 2007, a tax authority audited 1.52% of Individual tax returns with income of $100,000 or more. Suppose this percentage stays the same for the current tax year. What is the probability that two randomly selected returns with income of $100,000 or more will be audited? 14. Due to a manufacturing error, four cans of regular soda were accidentally filled with diet soda and placed into a 12- pack. Suppose that two cans are randomly selected from the 12-pack. a) Determine the probability that both contain diet soda. b) Determine the probability that both contain regular soda. Would this be usual? c) Determine the probability that exactly one is diet and exactly one is regular