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Mathematics, 07.10.2019 19:30, rustalex6045
The mean on a advanced algebra test was 78 with a standard deviation of 8. if the test scores are normal distributed, find the interval aboitthe mean that contains 99.7% of the scores.
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Answers: 3
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Acollege is selling tickets for a winter fund-raiser. one day, krissa sold 14 adult tickets and 8 student tickets for a total of $376. the next day, she sold 7 adult tickets and 11 student tickets for a total of $272. krissa wanted to find the price of one adult ticket, a, and the price of one student ticket, s. she wrote and solved the following system of equations.
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The mean on a advanced algebra test was 78 with a standard deviation of 8. if the test scores are no...
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