Mathematics, 22.05.2020 02:06 melaniem50

It is declared that oysters would be safe to eat if the polychlorinated biphenol (PCB) concentration is less than 5 parts per billion (ppb). The state Department of Natural Resources is testing oysters brought in by commercial fishermen using the following versus where is the true mean level of PCB in ppb. Which of the following is a description of Type II error in this instance?

Question 33 options:

A)

The Department believes that the true mean amount of PCB is higher than 5 ppb when, in truth, it is not higher than 5 ppb.
B)

The Department correctly determines that the true level of PCB is higher than 5 ppb.
C)

The Department believes that the true mean amount of PCB is 5 ppb when it is actually higher.
D)

The Department correctly determines that the true level of PCB is 5 ppb or less.

Answers: 3

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It is declared that oysters would be safe to eat if the polychlorinated biphenol (PCB) concentration...

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