Your target population has 10,000 cases. You plan to draw a probability sample of 500, rather than the 1200 suggested. Which of the reasons below best justifies your sample size decision?

Multiple Choice

a. Your budget won't cover a sample of 1200.

b. We want to know the probability of selection of any given case.

c. It's easy to determine a skip interval with a sample of 500.

d. We want to be confident in our sample statistics and need a high level of precision.

e. Five hundred represents 5% of the target population.