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ACT test scores are normally distributed with a mean of 21 ( = 21) and standard deviation of 5 ( = 5). If all 10,000

ACT test scores are normally distributed with a mean of 21 ( = 21) and standard deviation of 5 ( = 5). If all 10,000 students at PVCC took the ACT, what is the probability that their average score would be greater than 21.15

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