Are you saying that the percentage of dangerous fish

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Mercury in Freshwater Fish

Some experts believe that 20% of all freshwater fish in the United States have such high levels of mercury that they are dangerous to eat.

Suppose a fish market has 250 fish tested, and 60 of them have dangerous levels of mercury. Test the hypothesis that this sample is not from a population with 20% dangerous fish.

Use a significance level of 0.05. Comment on your conclusion: Are you saying that the percentage of dangerous fish is definitely 20%? Explain.

Reference no: EM131795106

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