Math225n Week 4 Discussion Answer

This study source was downloaded by 100000802832151 from CourseHero.com on 11-07-2022 06:12:35 GMT -06:00https://www.coursehero.com/collection/74667362/MATH225N-Week-4-Discussiondocx/ Class,Probability is the measure of the likelihood to occur [ CITATION Hol17 \l 1033 ] . In this weeks discussion, we were assigned to survey 30 people and determine if there were left-handed or right-handed. Our data was to be placed in a contingency table which isa special type of frequency distribution table or two-way table. Left-handed Right-handed TotalFemale 2 (A) 20 (B) 22 (A+B)Male 4 (C) 4 (D) 8 (C+D)Total 6 (A+C) 24 (B+D) 30 (A+B+C+D)Left-handed Right-handed Total Female Male TotalAnswer the following questions about the information in your contingency table:a. If a person is randomly selected from the survey participants, what is the probability that the person will be left-handed?Probability of Left - (A+C)/(A+B+C+D): 6/30 = 0.2b. If you randomly choose a female from the people you surveyed, what is the probability that she is left-handed?Probability of Left Female - A/(A+B): 2/22 = 0.09c. What is the odds ratio of choosing a left-handed female?Odds Ratio of Left Female - (A/B)/(C/D) or AD/BC: (2 20)/(4 4) = 8/80 = 0.1d. What is the relative risk of choosing a left-handed female?Relative Risk of Left Female -