E-Cigs According to the Centers for Disease Control and Prevention, 2.8% of high school students currently use electronic cigarettes. A high school counselor is concerned the use of e-cigs at her school is higher.
(a)Determine the null and alternative hypotheses.
(b)If the sample data indicate that the null hypothesis should not be rejected, state the conclusion
of the school counselor.
(c)Suppose, in fact, that the proportion of students at the counselor's high school who use
electronic cigarettes is 0.034. Was a Type I or Type II error committed?