Question 56 pts Suppose that you want to estimate the proportion of students at your college that use the library. Which sampling plan will produce the most reliable results? Group of answer choices Select 50 students at random from the college. Select 100 students at random from students in the library. Select 200 students at random from students who use the Tutoring Center. Select 300 students who have checked out a book from the library.

The krasnapolski is a top-of-the-line hotel in amsterdam, the netherlands. among their many services, they rent bicycles to guests. the bicycle checkout is open 24 hours per day 7 days per week and has 50 bicycles on hand. on average, 10 guests request a bicycle each day, arriving completely randomly at all times of the day during the spring and summer seasons. guests keep bicycles for four days on average, with a standard deviation of two days. how long does a guest on average have to wait for a bike? a. approximately 24 hours b. approximately 0.033 hours c. approximately 4 days d. approximately 47 minutes