1. Scores on the American College Test (ACT) follow roughly a normal distribution with mean ...
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1. Scores on the American College Test (ACT) follow roughly a normal distribution with mean μ = 20.9 and standard deviation 0 = 5.6. Scores on the Scholastic Aptitude Test (SAT) follow roughly a normal distribution with mean µ = 1060 and standard deviation 0 = 195. 1. Suppose Erin scores 1440 on the SAT and Lettie scores 28 on the ACT. Who has the higher score? Support your answer with either z-scores or percentages. 2. An SAT score of 1200 is required for admissions into a college program. What is the equivalent ACT score? Round to the nearest whole number. 3. What SAT score marks off the top 10% of all scores? Round to the nearest whole number. 1. Scores on the American College Test (ACT) follow roughly a normal distribution with mean μ = 20.9 and standard deviation 0 = 5.6. Scores on the Scholastic Aptitude Test (SAT) follow roughly a normal distribution with mean µ = 1060 and standard deviation 0 = 195. 1. Suppose Erin scores 1440 on the SAT and Lettie scores 28 on the ACT. Who has the higher score? Support your answer with either z-scores or percentages. 2. An SAT score of 1200 is required for admissions into a college program. What is the equivalent ACT score? Round to the nearest whole number. 3. What SAT score marks off the top 10% of all scores? Round to the nearest whole number.
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