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Hypothesis

A cereal manufacturer sells boxes of cereal that list the weight as 19 oz. A random sample of 60 boxes was taken, with the contents carefully weighed. Assume a mean weight of (random variable?) x = 19.9 oz. and a standard deviation of s = 0.67 oz. resulted from the sample data. would this idicate that the actual mean weight,u of all boxes of this cereal differs from the weight listed on the box? Perform a hypothesis test at the 5% significance level.

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corresponding to 1-alpha = 0.95:
<br>Z(0.05) = ...

Solution Summary

A cereal manufacturer sells boxes of cereal that list the weight as 19 oz. A random sample of 60 boxes was taken, with the contents carefully weighed. Assume a mean weight of (random variable?) x = 19.9 oz. and a standard deviation of s = 0.67 oz. resulted from the sample data. would this idicate that the actual mean weight,u of all boxes of this cereal differs from the weight listed on the box? Perform a hypothesis test at the 5% significance level.

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