The difference between two sample proportions p₁ - p₂ may be assumed normally distributed if each sample has at least 10 "successes" and 10 "failures."

Question

Quizplus · Accepted Answer

The difference between two sample proportions can be approximated by a normal distribution if both samples have at least 10 successes and 10 failures. This is known as the rule of thumb for normal approximation of the difference between two proportions. Therefore, the statement is true.

The Difference Between Two Sample Proportions P1 - P2 May

The Difference Between Two Sample Proportions P₁ - P₂ May