Multiple Choice Questions
The following items apply to determining sample sizes using random sampling from large populations for attributes sampling. Select the most appropriate response for each question.
a. If all other factors specified in a sampling plan remain constant, changing the ARACR from 5% to 10% will cause the required sample size to
(1) Increase.
(2) Remain the same.
(3) Decrease.
(4) Become indeterminate.
b. If all other factors specified in a sampling plan remain constant, changing the TER from 9% to 6% will cause the required sample size to
(1) Increase.
(2) Remain the same.
(3) Decrease.
(4) Become indeterminate.
c. Of the four factors that determine the initial sample size in attributes sampling (population size, tolerable exception rate, acceptable risk of assessing control risk too low, and expected population exception rate), which factor has the least effect on sample size?
(1) Population size
(2) Expected population exception rate
(3) Tolerable exception rate
(4) Acceptable risk of assessing control risk too low
d. The sample size of a test of controls varies inverselywith:

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Expected population deviation rate Tolerable exception rate Yes No 0 Yes No 0 No Yes No 0 0 Yes