Essay
The average composite ACT score for Ohio students who took the test in 2003 was 21.4.Assume that the standard deviation is 1.05. In a random sample of 25 students who took the exam in 2003, what is the probability that the average composite ACT score is 22 or more? (Make sure to identify the sampling distribution you use and check all necessary conditions.)
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Correct Answer:
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1. Random sampling...
View Answer
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