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Scores on the math portion of the SAT (SAT-M) in a recent year have followed a normal distribution with mean = 507 and standard deviation

Scores on the math portion of the SAT (SAT-M) in a recent year have followed a normal distribution with mean = 507 and standard deviation = 111.

What is the probability that the mean SAT-M score of a random sample of 4 students who took the test that year is more than 600? Explain why you can solve this problem, even though the sample size (n = 4) is very low.

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