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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 $140 of p, and the o is known to be $527. . . . . . O A. 54 O B. 527 O C. 7 O D. 140 O E. 39 O F. none of the other answers O G. 94 OH. O

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