Cross-selling is the marketing of complementary products to customers

Which of the following is a criticism of direct marketing?

A) unwanted and misleading messages B) inability to build brand awareness C) low chances of customers avoiding messages D) inability to control marketing communication E) inability to maintain information security

When using the confidence interval approach to sample size determination, if the statistic of interest is a proportion, rather than a mean, the approach to sample size determination is very different

Indicate whether the statement is true or false