3.55 What’s wrong? Explain what is wrong in each of the following scenarios.
(a) The population consists of all individuals selected in a simple random sample.
(b) In a poll of an SRS of residents in a local community, respondents are asked to indicate the level of their concern about the dangers of dihydrogen monoxide, a substance that is a major component of acid rain and that, in its gaseous state, can cause severe burns. (Hint: Ask a friend who is majoring in chemistry about this substance or search the Internet for information about it.)
(c) Students in a class are asked to raise their hands if they have cheated on an exam one or more times within the past year.