What is the sample size and standard error

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Reference no: EM132151593

Suppose the distribution of alumni salary has a mean of $50k per year and a standard deviation of $5k. The research office collected salary information from 121 business alumni. Its collected data show that the mean salary of their first job is $58k per year (20 points, 10 points eachReview PPT page 27-29

(a)  What is the sample size and standard error of the data collected?

(b)  What is the probability that the sampled alumni have a mean salary of $58k or more?

Reference no: EM132151593

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