Statistics x + ake/preview=1 Finance Choose a File Orgs Code ) DataSites Rewards [ MC " ) [ Other bookmarks ) [ Reads Question 7 10 pts The number of vehicles leaving a turnpike at a certain exit during a particular time period has approximately a normal distribution with mean value 500 and standard deviation 75. What is the approximate probability that the number of cars exiting during this period is a. at least 650? b. between 400 and 550? c. fewer than 300 OR greater than 600? 2 = Upload Choose a File 10 pts Question 8 D Let x denote the time (in hours) students in a certain course spend studying the night city curve of x is