Scores on a standardized test are normally distributed with a mean of 250 and a standard a deviation of 20. Approximately what percent of students scored between 260 and 280? Round to the nearest percent

Beki asked Dec 4, 2022

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Beki asked Dec 4, 2022

by Beki

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19 votes

Answer:

You can't answer this properly without more data.

John Hogan answered Dec 11, 2022

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