Question: 2) Scores on a standardized test are normally distributed with mean 100 and standard deviation 20. Use the 68-95-99.7 rule to find the following (8

2) Scores on a standardized test are normally distributed with mean 100 and standard deviation 20. Use the 68-95-99.7 rule to find the following (8 points each). a) The proportion of scores above 100. b) The proportion of scores between 80 and 100. c) The proportion of scores below 80. d) The proportion of scores above 80. e) Between what scores do 99.7% of all scores fall
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