14. A person recorded the speeds of cars driving past his house, where the speed limit is 20 mph. The data are saved in the le CARSPEEDS. 1. Find an interval that will contain approximately 95% of all the car speeds. 2. What is the zscore of a car going at the speed limit? 3. Which would be more unusual, a car travelling 34 mph or one going 10 mph? Explain. 15. A marketing research organization conducts a yearly survey on consumer attitudes world- wide. They collect demographic information on respondents from each country that they survey. The table below shows the number of people with various levels of education in 5 countries. Education level by Country Post-Graduate College High School Primary China 7 315 671 506 France 69 388 766 309 India 161 514 622 227 UK. 58 207 1240 32 U.S 84 486 896 87 If we select someone at random from this survey (a) what is the probability that the person is from the United States? (b) what is the probability that the person completed his or her education before col- lege? (c) what is the probability that the person is from France or did some post-graduate study? (d) what is the probability that the person is from France and nished only primary school