Which of the following is not true when investigating two population proportions? choose the correct answer below.

a. when testing a claim about two population proportions, the p-value method and the classical method are equivalent.
b. the p-value method or the classical method of hypothesis testing can be used to test a claim about two population proportions.
c. a conclusion based on a confidence interval estimate will be the same as a conclusion based on a hypothesis test.
d. testing for equality of two population proportions cannot be done by determining whether there is an overlap between two individual confidence interval estimates of the two individual population proportions.