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Confidence interval for the proportion

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In a random sample of tires produced by a certain company, 20% did not meet the company's standards. Construct a 95% confidence interval for the proportion 7r (in the whole population of tires) which do not meet the standards,

(a) If the sample size n = 10.

(b) If n = 25. (c) If n = 2500.

Reference no: EM131870397

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