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Hypothesis Test

An Ice Cream manufacturer wants to know if their claim of 64 oz. per each half gallon container is any less than 64 oz.

1) How would you set up the hypotheses? One or Two tailed test? If one tailed, upper or lower?

2) With 30 samples, alpha at 0.05, a standard deviation at 0.3, and a mean of 63.98, perform the z-test.

3) What is the outcome of their claim?

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