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Suppose that from a survey of 450 individuals, 132 reported that Formula X improved their lives. If we seek a 92% confidence interval around the

Suppose that from a survey of 450 individuals, 132 reported that Formula X improved their lives. If we seek a 92% confidence interval around the statistic to have a margin of error of 0.2, then we need to sample _____ individuals. a. 20 b. 21 c. 19 d. 10 e. 11 f. 30

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