2.38. An interviewer stands at an entrance to a popular shopping mall and conducts interviews. True or false: Because we cannot predict who will be interviewed, the sample obtained is an example of a random sample. Explain.

2.39. In a recent Miss America beauty pageant, television viewers could cast their vote on whether to cancel the swimwear parade by phoning a number the network provided. About 1 million viewers called and registered their opinion, of whom 79%

said they wanted to see the contestants dressed as bathing beauties. True or false; Since everyone had a chance to call, this was a simple random sample of all the viewers of this program.

Explain.