A food manufacturing company produces oatmeal cookies that have a sugar content that
is approximately normally distributed. The mean sugar content is 1.1 grams with a standard
deviation of 0.15 gram. Determine the probability that a random sample of 10 oatmeal cookies
will have an average sugar content of greater than 1.2 grams.
We have a normal distribution,
Let's convert it to the standard normal distribution,
(from z-table).
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