(Answered) Calculate the first- and third-quartile scores

Statistics

Problem: Two thousand students took an exam. The scores on the exam have an approximate normal distribution with a mean μ = 81 points and standard deviation σ = 15 points. Support your statements with examples

Required:

Question 1: Calculate the first- and third-quartile scores for this exam.

Question 2: The middle 50% of the exam scores are between what two values?

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