Test the claim that sludge county has a pinworm infection

Reference no: EM13615841

In Sludge County, a sample of 50 randomly selected citizens were tested for pinworm. Of these, 10 tested positive (20%). The CDC reports that the U.S. average pinworm infection rate is 12%. Conduct the following hypothesis tests and finish with an understandable concluding statement.

(a) Test the claim that Sludge County has a pinworm infection rate that is greater than the national average. Use a 0.05 significance level.

(b) Test the claim that Sludge County has a pinworm infection rate that is greater than the national average. Use a 0.01 significance level.

Reference no: EM13615841

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