A simple random sample of front-seat occupants involved in car crashes is obtained. Among 2807 occupant. not wearing seat belts, 33 were killed. Among 7718 occupants wearing seat belts, 19 were killed. Use a 0.01 significance level to test the claim that seat belts are effective in reducing fatalities. Complete parts (a) through (c) below. a. Test the claim using a hypothesis test. Consider the first sample to be the sample of occupants not wearing seat belts and the second sample to be the sample of occupants wearing seat belts. What are the null and alternative hypotheses for the hypothesis test? O A. Ho: P1 = P2 O B. Ho: P12 P2 OC. Ho: P1 < P2 H1: P1>P2 H: P1 P2 H1: P1 P2 O E. Ho: P1 P2 O F. Ho: P1 = P2 O D. Ho P1 = P2 H P1

A simple random sample of front-seat occupants involved in car crashes is obtained. Among 2807 occupant. not wearing seat belts, 33 were killed. Among 7718 occupants wearing seat belts, 19 were killed. Use a 0.01 significance level to test the claim that seat belts are effective in reducing fatalities. Complete parts (a) through (c) below. a. Test the claim using a hypothesis test. Consider the first sample to be the sample of occupants not wearing seat belts and the second sample to be the sample of occupants wearing seat belts. What are the null and alternative hypotheses for the hypothesis test? O A. Ho: P1 = P2 O B. Ho: P12 P2 OC. Ho: P1 < P2 H1: P1>P2 H: P1 P2 H1: P1 P2 O E. Ho: P1 P2 O F. Ho: P1 = P2 O D. Ho P1 = P2 H P1

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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