Answer :
Therefore, the correct answer is a) 0.16 oz.
Explanation: To find the margin of error, we use the formula: Margin of Error = z * (a/sqrt(n)), where z is the z-score for the desired confidence level (in this case, 95% corresponds to a z-score of 1.96), a is the standard deviation, and n is the sample size. Plugging in the values, we get a Margin of Error = 1.96 * (0.48/sqrt(59)) = 0.16 oz.
Therefore, the correct answer is a) 0.16 oz.
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