Which of the following is a requirement for testing a claim about a population proportion?
A) The sample observations are a stratified sample.
B) The trials are dependent.
C) The conditions $n p \geq 5$ and $n q \geq 5$ are both satisfied.
D) None of the other statements are requirements for testing a claim about a population proportion.

Question

Quizplus · Accepted Answer

The conditions $n p \geq 5$ and $n q \geq 5$ ensure that the sample size is large enough for the normal approximation to the binomial distribution to be valid when testing a claim about a population proportion.

Which of the Following Is a Requirement for Testing a Claim