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How many students must be randomly selected to estimate the mean monthly income of students at a university? Suppose we want 95% confidence that x

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How many students must be randomly selected to estimate the mean monthly income of students at a university? Suppose we want 95% confidence that x is within $130 of p, and the o is known to be $550. . . . O A. 119 O B. 130 O C. none of the other answers O D. 68 OE. 8 OF. 49 OG. 0 OH. 550

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