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A Study of 65 Bolts of Carpet Showed That Their

Question 59

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A study of 65 bolts of carpet showed that their average length was 76.2 yards. The standard deviation of the population is 2.6 yards. Which of the following is the 80% confidence interval for the mean length per bolt of carpet?


A) A study of 65 bolts of carpet showed that their average length was 76.2 yards. The standard deviation of the population is 2.6 yards. Which of the following is the 80% confidence interval for the mean length per bolt of carpet? A) B) C) D)
B) A study of 65 bolts of carpet showed that their average length was 76.2 yards. The standard deviation of the population is 2.6 yards. Which of the following is the 80% confidence interval for the mean length per bolt of carpet? A) B) C) D)
C) A study of 65 bolts of carpet showed that their average length was 76.2 yards. The standard deviation of the population is 2.6 yards. Which of the following is the 80% confidence interval for the mean length per bolt of carpet? A) B) C) D)
D) A study of 65 bolts of carpet showed that their average length was 76.2 yards. The standard deviation of the population is 2.6 yards. Which of the following is the 80% confidence interval for the mean length per bolt of carpet? A) B) C) D)

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