Five state officials are listed to the right. a. list the 10 possible samples (without replacement) of size 3 that can be obtained from the population of five officials. governor (upper g) lieutenant governor (upper l) secretary of state (upper s) representative (upper r) press secretary (upper p) b. if a simple random sampling procedure is used to obtain a sample of three officials, what are the chances that it is the first sample on your list in part (a)? the second sample? the tenth sample? a. list all 10 possible samples (without replacement) of size 3. use the letter abbreviation for each official.

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

Which number completes the inequality? 2/3 < _ < 7/9

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).