Multiple Questions Answers

1. When solving for the sample size needed to compute a confidence interval for a population proportion, the _________p(1-p) is, the _____ n will be. (Points : 1) 
larger, smaller.
smaller, larger.
larger, larger.

2. When the level of confidence and sample proportion remain the same, a confidence interval for a population proportion p based on a sample of n = 100 will be _____ a confidence interval for p based on a sample of n = 400. (Points : 1) 
wider than
narrower than
equal to

3. Whenever the sampled population has a normal distribution, the sampling distribution of is a normal distribution for (Points : 1) 
only large sample sizes.
only small sample sizes.
any sample size.
only samples of size 30 or more.

4. As our sample standard deviation increases when all other parts of the confidence interval stay the same, then the confidence interval will become: (Points : 1) 
wider
narrower
remain the same.