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A popular blog reports that 65% of college students log in to Facebook on a daily basis. The Dean of Students at a certain
A popular blog reports that 65% 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 229 students, and 162 of them report that they log in to Facebook daily. Can you conclude that the proportion of students who log in to Facebook daily differs from 65%? Use the a = 0.04 level. a. State the null and alternative hypotheses. Ho: V V H ? ? V b. Find the critical value and sketch the rejection region. Sketch of Rejection Region: + -3 -2 -1 0 1 2 3 -3 -2 -1 0 1 2 3 -3 -2 -1 0 1 2 3 Critical value(s): (If there are two critical values, list both values separated by a comma) c. Find the test statistic. d. Find the p-value. e. Decide: Select an answer Ho f. Conclusion: At a = 0.04 significance level, there Select an answer enough evidence to conclude that the proportion of students who log in to Facebook daily differs from 65%. P
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