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The population mean annual salary for first year faculty at SLU is $47,000. Assuming that the population standard deviation is $1800:

1.) What is the probability that one randomly selected faculty member at SLU has a salary less than $46,000?

2) Suppose that 10 faculty members are randomly selected. What is the probability that the mean annual salary of the example, is less than $46,000

3) Suppose that 20 faculty members are randomly selected. What is the probability that the mean annual salary of the sample is less than $46,000

4) What is the prbability that one randomly selected faculty member at SLU has a salary less than $47,000?

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