A study is to be conducted on the mean salary of mayors of cities with a population of fewer than 100000. The error in estimating the mean is to be less than 100 birr and confidence level of 95% is desired. Suppose that is the standard deviation of the population is estimated to be 1000birr. What is the required sample size?

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Explanation:

american political culture includes a plenty of focus views and preferences. not all westerns experience the same opinions, of course, but the large preponderance promises to these general ideas, including equality, justice, freedom, individualism, integrity, and difference.

the united states is a democratic republic. residents elect representatives to governmental, nation, and local administration; those deputies create the regulations that command u.s. community. although emptiness in u.s. law needs it, in usage, the administrative system is ruled by executive factions.