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The scores of students on a standardized test are normally distributed with a mean of 300 and a standard deviation of 40. What percentage of scores are below 260?

The scores of students on a standardized test are normally distributed with a mean of 300 and a standard deviation of 40. What percentage of scores are below 260?
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The scores of students on a standardized test are normally distributed with a mean of 300 and a standard deviation of 40. What percentage of scores are below 260?

User Marky
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The percentage of scores below 260 is 15.87%.

User Royi
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