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Assume That a Simple Random Sample Has Been Selected from a Normally

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Assume that a simple random sample has been selected from a normally distributed population. Find the test statistic, P-value, critical value(s), and state the final conclusion.
-A cereal company claims that the mean weight of the cereal in its packets is at least 14 oz. The weights (in ounces)of the cereal in a random sample of 8 of its cereal packets are listed below. 14.613.814.113.714.014.413.614.2\begin{array} { l l l l l l l l } 14.6 & 13.8 & 14.1 & 13.7 & 14.0 & 14.4 & 13.6 & 14.2\end{array} At the 0.01 significance level, test the claim that the mean weight is 14 ounces.


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Membership fees paid by workers to labor unions for representation and services provided.

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A tax levied by a state on the income earned by its residents and businesses operating within the state.

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