Two thousand students took an exam. The scores on the exam have an approximate normal distribution with

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Two thousand students took an exam. The scores on the exam have an approximate normal distribution with a mean u = 77 points and standard deviation 0 = 15 points. Round your answers to one decimal place. (a) Calculate the first and third-quartile scores for this exam. Q1 2 Number points Q3 2 Number points (b) The middle 50% of the exam scores are between what two values? Enter your answers in increasing order. The middle 50% of the exam scores are between Number points and Number points

Posted Date: Jun 24, 2024 08:07 PM

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Two thousand students took an exam. The scores on the exam have an approximate normal distribution with

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