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Some experts believe that 21% of all freshwater sh in a country have such high levels of mercury that they are dangerous to eat. Suppose
Some experts believe that 21% of all freshwater sh in a country have such high levels of mercury that they are dangerous to eat. Suppose a sh market has 250 sh tested, and 52 of them have dangerous levels of mercury. Test the hypothesis that this sample is not from a population with 21% dangerous sh, assuming that this is a random sample. Use a signicance level of 0.05. Comment on your conclusion. State the null and alternative hypotheses. HO: p 0.21 H0: p =0.21 Ha: p>0.21 V Ho: p=0.21 Ha:p#0.21 Ho: p>0.21 Ha: p
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