PCBs Polychlorinated biphenyls (PCBs) havebeen found to be
Chapter 9, Problem 75(choose chapter or problem)
PCBs Polychlorinated biphenyls (PCBs) havebeen found to be dangerously high in some game birdsfound along the marshlands of the southeastern coastof the United States. The Federal Drug Administration(FDA) considers a concentration of PCBs higher than5 parts per million (ppm) in these game birds to bedangerous for human consumption. A sample of 38game birds produced an average of 7.2 ppm with astandard deviation of 6.2 ppm. Is there sufficient evidenceto indicate that the mean ppm of PCBs in thepopulation of game birds exceeds the FDAs recommendedlimit of 5 ppm? Use a .01.
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