Consider the following statements: (1) A population parameter is used to estimate a confidence interval. (ii) The sampling error can either be positive or negative. (iii) The difference between the sample proportion and the population proportion is called the sampling error. (iv) Sampling error can be completely eliminated by taking larger sample sizes. Which one of the following is true? a. (ii) and (iv) are true O b. (ii) and (ili) are true O c. (lil) is true O d. None of the suggested answers are correct O e. (1) and (ii) are true