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The 2022 sophomore PSAT scores are normally distributed at East Richmond Hills High School with an average (or mean) score of 600 and a

The 2022 sophomore PSAT scores are normally distributed at East Richmond Hills High School with an average (or mean) score of 600 and a standard deviation of 25. What is the probability that a randomly chosen sophomore at East Richmond Hills earned a score less than 600 on the PSAT this year?

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