Question

Researchers claim that at most 18 % % of high school students smoke cigarettes. A high school principal thinks the claim is too low and conducts his own survey. He samples 300 students and finds that 78 of them smoke cigarettes. He tests the claim using α=0.01 α=0.01 . What is the result of his hypothesis test? Select one: a. The hypothesis test suggests that more than 18 % % of high school students smoke cigarettes. b. The hypothesis test proves that more than 18 % % of high school students smoke cigarettes. c. The hypothesis test suggests that less than 18 % % of high school students smoke cigarettes. d. The hypothesis test proves that less than 18 % % of high school students smoke cigarettes.

Answer 1