Answer to Question #40057 in Statistics and Probability for mark

Question #40057
In the recent board examination for nurses, it is claimed that the average performance of the nurses is 80 with a standard deviation of 5. Would you agree to this claim if a random sample of 100 nurses who took the exam showed an average of 85? Use 1% level of significance.
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Expert's answer
2014-03-24T06:32:15-0400
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