Interpret each of the following statements using confidence intervals. a. In a recent survey, 42% of high school graduates indicated that they expected to earn over $100, 000 per year by the time they retire. This survey is considered accurate within plus or minus 3%, 19 times in 20. b. A survey done by the incumbent MP indicated that 48% of decided voters said they would vote for him again in the next election. The result is considered accurate within plus or minus 5%, nine times in ten. c. According to a market research firm, 28% of teenagers will purchase the latest CD by rock band Drench. The result is considered accurate within i 4%, 11 out of 15 times