Question
Asked Feb 20, 2020
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A random sample of 30 varieties of cereal was selected. The average number of calories per serving for these cereals is x̄ = 120. Assuming that σ = 10, find a 95% confidence interval for the mean number of calories, μ, in a serving of cereal.

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Expert Answer

Step 1

From the provided information,

Sample size (n) = 30

Average number of calories () = 120

And σ = 10

The critica...

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