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Carol, the band director, tracked how many minutes each saxophone player practiced last week. She found that Sven practiced for 30 minutes, Li Minn practiced for 45 minutes, Wendy practiced for 90 minutes, Thomas practiced for 75 minutes, and Gabriel practiced for 60 minutes.
Find the mean length of practice time.
minutes

Carol, the band director, tracked how many minutes each saxophone player practiced last week. She found that Sven practiced for 3030 minutes, Li Mihn practiced for 4545 minutes, Wendy practiced for 9090 minutes, Thomas practiced for 7575 minutes, and Gabriel practiced for 6060 minutes.\newlineFind the mean length of practice time.\newlineminutes

Full solution

Q. Carol, the band director, tracked how many minutes each saxophone player practiced last week. She found that Sven practiced for 3030 minutes, Li Mihn practiced for 4545 minutes, Wendy practiced for 9090 minutes, Thomas practiced for 7575 minutes, and Gabriel practiced for 6060 minutes.\newlineFind the mean length of practice time.\newlineminutes
  1. Add practice times: To find the mean length of practice time, we need to add up all the individual practice times and then divide by the number of saxophone players. There are 55 players: Sven, Li Minn, Wendy, Thomas, and Gabriel.
  2. Calculate total: First, we add up the practice times: Sven's 3030 minutes, Li Minn's 4545 minutes, Wendy's 9090 minutes, Thomas's 7575 minutes, and Gabriel's 6060 minutes. The total practice time is 30+45+90+75+6030 + 45 + 90 + 75 + 60.
  3. Divide by players: Calculating the total practice time: 30+45+90+75+60=30030 + 45 + 90 + 75 + 60 = 300 minutes.
  4. Calculate mean: Now, we divide the total practice time by the number of players to find the mean. There are 55 players, so we divide 300300 minutes by 55.
  5. Final result: Calculating the mean practice time: 300300 minutes ÷\div 55 players = 6060 minutes.
  6. Final result: Calculating the mean practice time: 300300 minutes ÷\div 55 players = 6060 minutes. The mean length of practice time for the saxophone players is 6060 minutes.

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