Mathematics, 26.11.2019 04:31 javink18

Asurvey randomly selected 250 top executives. the average height of these executives was 66.9 inches with a standard deviation of 6.2 inches. what is a 95% confidence interval for the mean height, μ, of all top executives? a. 63.5 < μ < 66.1 b. 65.3 < μ < 68.5 c. 62.8 < μ < 66.8 d. 66.1 < μ < 67.7

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