Give the null and alternative hypotheses for testing

Reference no: EM131402577

Mercury poisoning of wading birds. According to a University of Florida wildlife ecology and conservation researcher, the average level of mercury uptake in wading birds in the Everglades is declining (UF News, December 15, 2000). Last year, the average level was 15 parts per million.

(a) Give the null and alternative hypotheses for testing whether the average level this year is less than 15 ppm.

(b) Describe a Type I error for this test.

Reference no: EM131402577

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