O w Library Re w Oral Citation... S LabData Fall... G migranes - G... x ALEKS - Dio... 152 Uni... E Section 9.4 HW Dionne Question 5 of 13 (1 point) | Question Attempt: 1 of Unlimited = 5 6 8 10 11 Kids with cell phones: A marketing manager for a cell phone company claims that the percentage of children aged 8-12 who have cell phones differs from 50%. In a survey of 828 children aged 8-12 by a national consumers group, 422 of them had cell phones. Can you conclude that the manager's claim is true? Use the a=0.01 level of significance and the critical value method with the table. Part 1 of 5 State the appropriate null and alternate hypotheses. Ho: P = 0.50 H, : P # 0.50 This hypothesis test is a |two-tailed test. Alternate Answer: Ho : P= 0.5 H, : P# 0.5 This hypothesis test is a two-tailed test. Part: 1 / 5 Part 2 of 5 Find the critical values. Round the answers to three decimal places. For a=0.01, the critical values are and X