Math 13 Final Exam, Moodle Component 1. Out of 800 families with 6 children each, how many would you expect to have at least 2 girls? 2. A random sample of residents of Greenville was surveyed and the...

Math 13 Final Exam, Moodle Component 1. Out of 800 families with 6 children each, how many would you expect to have at least 2 girls? 2. A random sample of residents of Greenville was surveyed and the average number of hours per week that they walk was recorded: 7 6 4 8 2 8 9 12 1 2 6 7 8 10 11 9 5 5 3 5 8 11 12 6 2 6 7 8 10 11 Use this data to find a 95% confidence interval for the mean number of hours of walking per resident per week for the entire population of Greenville. 3. John suspects that a pair of dice is loaded (unfair). To test his hypothesis he rolls the dice 72 times. A total of seven comes up fifteen times. Set a=0.05, state the null and alternate hypotheses, perform the calculations needed to arrive at a conclusion about the fairness of the dice and state your conclusion.