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Mathematics, 21.06.2019 21:50, zymikaa00

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?

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Mathematics, 21.06.2019 22:00, nyceastcoast

Percent increase and decrease. original number: 45 new number: 18

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Mathematics, 22.06.2019 00:20, maggie123456751

One file clerk can file 10 folders per minute. a second file clerk can file 11 folders per minute. how many minutes would the two clerks together take to file 672 folders?

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Mathematics, 22.06.2019 00:50, george8396

Melissa is purchasing a $160,000 home and her bank is offering her a 30-year mortgage at a 4.9% interest rate. in order to lower her monthly payment, melissa will make a 20% down payment and will purchase 3 points. what will her monthly mortgage payment be? a. $645.98 b. $650.46 c. $662.93 d. $606.69

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