7. Water samples are taken from water used for cooling as it is being discharged from a power plant into a river. It has been determined that as long as the mean temperature of the discharged water is at most 150F, there will be no negative effects on the river s ecosystem. To investigate whether the plant is in compliance with regulations that prohibit a mean discharge-water temperature above 150, 50 water samples will be taken at randomly selected times, and the temperature of each sample recorded. The resulting data will be used to test the hypotheses H0: m  150 versus Ha: m 150. In the context of this situation, describe type I and type II errors.

Which type of error would you consider more serious?

Explain.