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The % of alcohol content is normally distributed for the mouthwash of brand A, with a standard deviation o of 5%. We have measured the
The % of alcohol content is normally distributed for the mouthwash of brand A, with a standard deviation o of 5%. We have measured the alcohol content of 13 mouthwashes of brand A, and the sample standard deviation is 7%. What is the 95% lower confidence interval for o? O [0,0.0113] O [0.050,0.116] O [0.053,inf] O [0,0.106] O [-inf, 0.106] O [0.0028,inf]
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