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We have a random sample of size 30 from a population. the standard deviation is 13 and the sample mean is 58.6. How large should

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We have a random sample of size 30 from a population. the standard deviation is 13 and the sample mean is 58.6. How large should the sample be if 90% confidence is desired that the estimate u differs from the confidence by at least 0.05? a) 182927.9 b) 259692.16 c) 58.98 d) 0.13 e) None of the above

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