The confidence intervals for the population proportion are generally based on ___________.
A)The z distribution
B)The t distribution
C)The z distribution when the sample size is very small
D)The t distribution when the population standard deviation is not known

Question

Quizplus · Accepted Answer

The confidence intervals for the population proportion are generally based on the z distribution because the distribution of sample proportion follows normal distribution under certain conditions, such as a random sample, a large sample size and independence of observations.

The Confidence Intervals for the Population Proportion Are Generally Based