1. According to the Centers for Disease Control and​ Prevention 10.2​%

According to the Centers for Disease Control and Prevention,

According to the Centers for Disease Control and Prevention, % of high school students currently use electronic cigarettes. A high school counselor is concerned the use of e-cigs at her school is higher. Complete parts (a) through (c) below.

 

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(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 high school counselor.

There is not sufficient evidence to conclude that the proportion of high school students exceeds

(c) Suppose, in fact, that the proportion of students at the counselor’s high school who use electronic cigarettes is . Was a type I or type II error committed?