(Solution Library) The mean potassium content of a popular sport drink is listed as 140 mg in a 32-oz bottle. Analysis of 20 bottles indicates a sample
Question: The mean potassium content of a popular sport drink is listed as 140 mg in a 32-oz bottle. Analysis of 20 bottles indicates a sample mean of 139.4 mg. (a) Write the hypotheses for a tow-tailed test of the claimed potassium content. (b) Assuming a know standard deviation of 2.00 mg, calculate the z test statistic to test the manufacturer's claim (c) At the 10% level of significance (α=.10) dose the sample contradict the manufacture's claim? (d) Find the p-value.
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