First, we need to find the z-scores for each given value.
The z-score formula is: $z = \frac{x - \mu}{\sigma}$, where $x$ is the value, $\mu$ is the mean, and $\sigma$ is the standard deviation.
a) For 12.06 ounces:
$z = \frac{12.06 - 12.05}{0.02} = 0.5$
b) For
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