1. Determine Whether the underlined value is a parameter or a statistic; explain your reasoning. a) A recent survey by the alumni of a major North Carolina university indicated that the average salary of an SRS of 5,000 of its graduates was $85,000. b) The average salary of all North Carolina teachers is w. c) The average GPA for a randomly selected sample of 50 high school seniors is 2455i (1) In a USA Today Internet poll, Mof respondents said \"yes\" to the question \"Do you consume at least one caffeinated beverage every day?\" e) The average age of a sample of 10 students in a Math 4 class is L61 years. f) Only 52%; of registered North Carolina voters voted in the 2016 presidential election. 2. The Department of Motor Vehicles receives complaints about customers having to wait too long at their offices. They collect data and find the average wait time is 35 minutes with a standard deviation of 10 minutes. Assume that wait times are Normally distributed. a) sketch and label the Normal curve b) Find the probability that a randomly selected customer has to wait less than 30 minutes. 0) Now take an SRS of 40 DMV customers. Sketch and label the Normal curve that will represent the mean weight time of 40 customers. (1) Find the probability that an SRS of 40 customers has a mean weight time less than 30 minutes. 3. The incoming freshman class at North Carolina State University had a mean unweighted GPA of 3.81 with a standard deviation of 0.36. These GPAs are normally distributed. a) sketch and label the Normal curve b) Find the probability that a randomly selected freshman has an unweighted GPA between 3.75 and 3.95