Males and females (ages 13–18) were surveyed to choose a favorite free-time activity: playing computer games, listening to music, or watching movies/TV. The survey showed the following frequencies: Females—playing computer games: 4; music: 20; watching movies/TV: 16 Males—playing computer games: 15; music: 12; watching movies/TV: 13 Which of the following is a correct two-way frequency table for the data? Male and Female Leisure Time Activity Preferences Computer Games Music Watching movies/TV Row totals Female 4 20 16 40 Male 15 12 13 40 Column totals 19 32 29 80 Male and Female Leisure

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