While fishing on a river one spring morning. Robert Preliminary investigation at the scene revealed a body Dunkin slipped through the underbrush that lined the in the bag. Unfortunately, it was impossible to identify river's banks. Nearing the shore, he saw a large canvas bag the corpse's sex, age, or race immediately. Forensics floating in the water, held by foliage that leaned over the was assigned to identify the victim and estimate the river, Upon closer inspection, Mr. Dunkin observed what cause and time of death, While waiting for the forensics he believed to be hair floating through the bag's opening analysis, you, the detective in charge. have gathered the Marking the spot of his discovery, the fisherman fetched information shown in the tables concerning victim- the authorities offender relationships from recent reports from the FBI. Race of Offender Sea of Victim While Black Other Unknown Mald 2182 2935 103 Age of Offender Female 1126 700 Age of Victim Less Than 18 At Least 18 Unkho Unknown Less than IN 124 619 5628 21 Set of Offender Race of Victim Male Female Unknown Sex of Offender While 1322 57 Sex of Victim Male Female Unknown Buick 2964 290 Make 490 Other 139 20 Female 1735 Unknown 50 11 26 50 Race of Offender Sex of Victim Race of Victim White Black Other Unknown Race of Victim Male Female Unknown White 573 ST. White 5067 Black 209 3034 12 Other 28 97 301 105 30 27 Unknown 131 Complete the following - you must show all of your work for each problem. I have completed the first problem for you (in red below). Complete the remaining problems showing work as I have. Round all answers to 4 decimals, Using the information contained in the tables, you are to develop a preliminary profile of the victim and offender by determining the likelihood that the: 1. Offender is at least 18 7. Victim is black and the offender is a Age table total = 7285. Offender who is male at least 18 = (619+5628+80) = 6327. P(offender at least 18)=6327/7285 0.8686 2. Victim is black 8. Victim and offender are of the same race (both black OR both white) 3. Offender is female 9. Victim and offender are of different races (victim is white and offender is black OR victim is black and offender is white) 4. Victim is white and male 10. Victim and offender are of the same sex (both female or both male) Victim is either white or male 11. Victim and offender not white or black 6. Victim and offender are from the same and male age category (Both either less than 18 OR both at least 18)
