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Suppose a simple random sample of size 43 is selected from a population with o = 12. Find the value of the standard of the error of the mean in each of the following cases (use the finite population correction factor if appropriate.

a. The population size is infinite (to 2 decimals).
b. The population size is N = 50,000 (to decimals).
c. The population size N = 5000 (to 2 decimals).
d. The population size N = 500 (to 2 decimals).

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