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yuradex [85]
3 years ago
6

Find the required probability and determine whether the given sample mean would be considered unusual. For a sample of nequals=7

5, find the probability of a sample mean being greater than 219 if muμequals=218 and sigmaσequals=6.2\.
Mathematics
1 answer:
scZoUnD [109]3 years ago
3 0

Im a little confused on how to answer this, what is sigmaoequals? and muuequals

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Please help!!!!!!!!!!!!!
Lubov Fominskaja [6]
A is ur answer hope u get a good grade with the rest
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