Answered step by step
Verified Expert Solution
Question
1 Approved Answer
THIS IS FOR STAT PLEASE ANSWER ASAP ( I PROMISE A GREAT REIVEW ) 20. A simple random sample of frontseat occupants involved in car
THIS IS FOR STAT PLEASE ANSWER ASAP ( I PROMISE A GREAT REIVEW )
20.
A simple random sample of frontseat occupants involved in car crashes is obtained. Among 2831 occupants not wearing seat belts, 37 were killed. Among 7693 occupants wearing seat belts, 15 were killed. Use a 0.01 signicance 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 rst 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? 5:} A. H0: p1 = p2 {:22- B. H0: p1 5 p2 {I} C. H0: p1 =p2 H12p1>p2 H1:p1ap2 H1zp1ap2 "'3 D. HO: p1 2p2 {:2} E. H0: p1 =p2 {:2} F. HO: p1 #pz H15P192 H15P1Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started