The contingency table shows how many people wore (Y) and did not wear (N) seat belts as well as how many survived (S) and died (D) in car accidents in a recent year. Wore seat belt Survived (S) D Yes (Y) 370,313 No (N) 175,079 Total 545,392 Complete parts a through d below. D a. What is the sample space for a randomly selected individual involved in an auto accident? Use a tree diagram to illustrate the possible outcomes. OA. O C. D D Died (D) 766 1314 2080 Sample space: (SS, SD, DS, DD} B. Y N S D S D Total 371,079 176,393 547,472 Sample space: (YS, YD, NS, ND} b. Using the data in the table, estimate (i) P(D), (ii) P(N). (1) P(D) 0.0038 (Round to four decimal places as needed.) (ii) P(N) 0.3222 (Round to four decimal places as needed.) c. Estimate the probability that an individual did not wear a seat belt and died. P(N and D) (Round to four decimal places as needed.) N S D D Sample space: {YS, YS, ND, ND} O D. N N N Sample space: (YY,YN, NY,NN}
The contingency table shows how many people wore (Y) and did not wear (N) seat belts as well as how many survived (S) and died (D) in car accidents in a recent year. Wore seat belt Survived (S) D Yes (Y) 370,313 No (N) 175,079 Total 545,392 Complete parts a through d below. D a. What is the sample space for a randomly selected individual involved in an auto accident? Use a tree diagram to illustrate the possible outcomes. OA. O C. D D Died (D) 766 1314 2080 Sample space: (SS, SD, DS, DD} B. Y N S D S D Total 371,079 176,393 547,472 Sample space: (YS, YD, NS, ND} b. Using the data in the table, estimate (i) P(D), (ii) P(N). (1) P(D) 0.0038 (Round to four decimal places as needed.) (ii) P(N) 0.3222 (Round to four decimal places as needed.) c. Estimate the probability that an individual did not wear a seat belt and died. P(N and D) (Round to four decimal places as needed.) N S D D Sample space: {YS, YS, ND, ND} O D. N N N Sample space: (YY,YN, NY,NN}
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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