What percentage of the population will have scores greater

Reference no: EM13621990

A very large data set contains aptitude test scores of trainee employees. The population has a mean of 73 and a standard deviation of 15. Assume scores are normally distributed.

Q. What percentage of the population will have scores greater than 80?

Q. For a sample of 81 scores randomly selected from this population, what is the probability that the average score of the sample is greater than 80?

Reference no: EM13621990

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