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A popular biog reports that 40% of college students log in to Facebook on a daily basis. The Dean of Students at a certain university
A popular biog reports that 40% of college students log in to Facebook on a daily basis. The Dean of Students at a certain university thinks that the proportion may be different at her university. She polls a simple random sample of 235 students, and 109 of them report that they log in to Facebook :laily. Can you conclude that the proportion of students who log in to Facebook daily differs from 40%? Use the a = 0.02 level. a. State the null and alternative hypotheses. b. Find the critical value and sketch the rejection region. Sketch of Rejection Region: + + -3 -2 2 3 -3 -2 2 -3 -2 2 3 Q Q O O O Critical value(S): 1.890,-1.8 X
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