200 Microsoft employees participated in an annual Tetris tournament. Each employee played five games of Tetris...

  

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200 Microsoft employees participated in an annual Tetris tournament. Each employee played five games of Tetris and his/her high score was recorded. The high scores had a normal distribution with u = 78,000 and = 2,000. Using this information, find the following: a. What percentage of employees scored 80,000 or more? (2 points) Q45. Z-score for raw score of 80,000? Q46. Percentage is? b. How many (of the 200 employees) would you expect to score between 76,000 and 81,000? (4 points) Q47. Z-score for raw score of 76,000? Q48. Z-score for raw score of 81,000? Q49. Percentage between 76,000 and 81,000? Q50. How many (out of 200 employees) score between 76,000 and 81,000? Act Go t 200 Microsoft employees participated in an annual Tetris tournament. Each employee played five games of Tetris and his/her high score was recorded. The high scores had a normal distribution with u = 78,000 and = 2,000. Using this information, find the following: a. What percentage of employees scored 80,000 or more? (2 points) Q45. Z-score for raw score of 80,000? Q46. Percentage is? b. How many (of the 200 employees) would you expect to score between 76,000 and 81,000? (4 points) Q47. Z-score for raw score of 76,000? Q48. Z-score for raw score of 81,000? Q49. Percentage between 76,000 and 81,000? Q50. How many (out of 200 employees) score between 76,000 and 81,000? Act Go t