To monitor campus security, the campus police office is taking a survey of the number of students in a parking lot every 30 minutes for a 24-hour period with the goal of determining when patrols of the lot would serve the most students. If X is the number of students in the lot during each period of time, then X is an example of
举一反三
- If we know that the length of time it takes a college student to find a parking spot in the library parking lot follows a normal distribution with a mean of 3.5 minutes and a standard deviation of 1 minute, 75.8% of the college students will take more than how many minutes when trying to find a parking spot in the library parking lot? A: 2.4 minutes B: 2.8 minutes C: 1.2 minutes D: 4.4 minutes
- An ___________ number of students would like to do part-time jobs during the vacation.
- Which one of the following sentences has a logical fallacy? A: There aren't enough parking spaces for students on campus because there are too many cars. B: There aren't enough parking spaces for students on campus because the parking permits are not distributed fairly.
- Furnell students usually have ______. A: announcements to make in class B: a lot of free time C: a lot of work and not much time D: perfect quiz scores
- Nowadays a lot of students are near-sighted and have to wear _____.