Multiple choice
VerifiedEducator1. When determining the sample size n, if the value found is not an integer initially, we ______ round this value up to the next integer value.
always
sometimes
never
2. When the sample size and the sample proportion remain the same, a 90% confidence interval for a population proportion p will be ______ the 99% confidence interval for p.
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. 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.
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