please help :( having a really hard time The estimated prevalence is 25%, and the desired confidence level is 95% with a margin of error of 4%. (This is the same as in the example, except the margin of error has been changed. Round your answer to the nearest integer.) n = (i answered 450 & 451 for this question but they were both wrong) The estimated prevalence is 19%, and the desired confidence level is 93% with a margin of error of 4%. (Round your answer to the nearest integer.) n =

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