All of the following statements concerning sampling risk are correct, except:

a. A Type I risk is the risk that the sample supports a conclusion that the control is not operating effectively when, in fact, it is operating effectively.

b. Type II risks are also known as risks of underreliance

c. A Type II risk is the risk that the sample supports a conclusion that the control is operating effectively when, in fact, it is not operating effectively.

d. Sampling risk is the possibility that the sample drawn is not representative of the population