The local Automobile Association conducted a study of the incidences over a tenyear period of children under the age of 5 years who were involved in motor vehicle accidents that resulted in road fatalities. The results for children who were not wearing set belts at the time of the accident are shown in the following table
Age

Male

Female

Total

0

265

227

492

1

204

191

395

2

367

207

574

3

316

190

506

4

477

194

671

Total

1629

1009

2638

Are these random variables discrete or continuous? discrete
(b) What is the probability that a fatality involved a 3year old? 506/2638 (253/1319=0.1918)
(c) What is the probability that the fatality involved a child who is 3year old and is a male? 316/2638 (158/1319=0.1198)
(d) What is the probability that the fatality involved a child who is a 3year old or is a male? 316+1629=1945/2638
(e) What is the probability that the fatality involved a child who is 3year old given that the child is male? not sure
(f) Two fatalities are randomly selected, what is the probability that the first fatality involved a child who is less than 1 year old and the second fatality involved a child who is less than 1 year old?265+227=492/2638
I have placed my answers but just wanted to know if my answers are correct