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You work at a hospital that has always had about 100 emloyees staffed at night. You think that the number of employees staffed at night has recently decreased and would like to test this claim. If you run a hypothesis test, which of the following statements would fit your problem?
a) you have a two tail test.
b) your alternative hypothesis could be stated as the population mean is less than 100.
c) your null hypothesis could be stated as the population mean is greater than or equal to 100.
d) A, B, and C are correct
e) Just B and C are correct
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