Homework: Chapter 4 Homework Save Score: 0 of 2 pts 4 of 4 (3 complete) HW Score
ID: 3276125 • Letter: H
Question
Homework: Chapter 4 Homework Save Score: 0 of 2 pts 4 of 4 (3 complete) HW Score: 68.75%, 5.5 of 8 pts 4.2.41 Question Help * A marketing company has randomly surveyed 195 men who watch professional sports. The men were separated according to their educational level (college degree or Sports not) and whether they preferred the NBA or the National Football League (NFL). The results of the survey are shown to the right Complete parts a through d Preference NBA NFL ollege Degree 35 14 N° College Degree 51 95 a. What is the probability that a randomly selected survey participant prefers the NFL? 0.5590 (Round to four decimal places as needed.) b. What is the probability that a randomly selected survey participant has a college degree and prefers the NBA? 0.1795 Round to four decimal places as needed.) c. Suppose a survey participant is randomly selected and you are told that he has a college degree. What is the probability that this man prefers the NFL? (Round to four decimal places as needed.) Enter your answer in the answer box and then click Check Answer part remaining Clear All Check AnswerExplanation / Answer
Answer:
College degree
No College degree
Total
NBA
35
51
86
NFL
14
95
109
Total
49
146
195
a).
109/195 =0.5590
b).
35/195=0.1795
c).
14/49 =0.2857
College degree
No College degree
Total
NBA
35
51
86
NFL
14
95
109
Total
49
146
195
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