Question: 13.22 Another specimen is weighed 8 times on this scale. The average weight is 4.1602 grams. A 99% confidence interval for the ttue weight of

13.22 Another specimen is weighed 8 times on this scale. The average weight is 4.1602 grams. A 99% confidence interval for the ttue weight of this specimen is

(a) 4.1602 ± 0.00032.

(b) 4.1602 ± 0.00069.

(c) 4.1602 ±0.00091.

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