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30 September, 23:21

Find the required probability and determine whether the given sample mean would be considered unusual. For a sample of nequals=75, find the probability of a sample mean being greater than 219 if muμequals=218 and sigmaσequals=6.2/.

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  1. 30 September, 23:48
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    Im a little confused on how to answer this, what is sigmaoequals? and muuequals
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