What is the probabbility that the mean score is below 950
the mean of major student taking the GRE test in 2010 was 1000 with a standard deviation of 230. if you select a random sample of 75 students, what is the probabbility that the mean score is below 950?
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MS-DRG 999 is typically used as a placeholder for cases that do not fit into any specific DRG category or are incomplete.