Question
Researchers suspect that 20% of all high school students smoke at least one pack of cigarettes a day. At Wilson High School, a randomly selected
Researchers suspect that 20% of all high school students smoke at least one pack of cigarettes a day. At Wilson High School, a randomly selected sample of 300 students found that 57 students smoke at least one pack of cigarettes a day. At = 0.05, test the claim that less than 20% of all high school students smoke at least one pack of cigarettes a day. Use the P-value method.
A) No. There is not enough evidence to support the claim that the percentage of students who smoke at least one pack of cigarettes a day is less than 20%.
B) Yes. There is enough evidence to support the claim that the percentage of students who smoke at least one pack of cigarettes a day is less than 20%.
C) There is not enough information to draw a conclusion.
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