E Queation Help Othe Centers for Disease Control and Prevention, 10.2% orhigh sc
ID: 3318924 • Letter: E
Question
E Queation Help Othe Centers for Disease Control and Prevention, 10.2% orhigh school students armily use oothonc eOnte. Airidid A high sohool counselor is concemed the use of o-cigs at her school is higher. Complete s parts (a) through (e) below a) Determine the nul and atemative hypotheses H1 Type integers or decimals Do net round.) b) t the sample data indicate that the null typothesis should not be nojicted, state the conlusion of the high school our a. There is s/cet evidence to ceeclude that the proportion of high sdhool students ceede 102 at s lr's high ch O C. There is not scent eviderce to conclude that the preportion ot hig school students ayed 0 102 tis ors ih schoo the proportion is lower is higher D. AType was commited bece te samgle of"-bg users was 0102, when in 6act the proportion is NgherExplanation / Answer
(A) H0: p = 0.102
Ha : p > 0.102
(b) sample data is that null hypothesis not rejected so,
There is no sufficient evidence to conclude that the proportion of high school students exceeds 0.102 at this counselor' high school. Option A is correct.
(c) Here the true proportions is 0.226 so Here, type II error is committed as we failed to reject the null hypothesis.
Type II error is committed because the sample evidence led the counselor to believe the proportion of e - cig is 0.102 when i fact, the proportion is higher. Option D is correct.
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