A marketing company has randomly surveyed 190 men who watch professional sports. The men were separated according to their educational level (college degree or not) and whether they preferred the NBA or the National Football League (NFL). The results of the Preference Sports survey are shown to the right. Complete parts a through d. NBA NFL (... a. What is the probability that a randomly selected survey participant prefers the NFL? (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? (Round to four decimal places as needed.) 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? College Degree 38 11 No College Degree 51 90

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Author:Amos Gilat
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A marketing company has randomly surveyed 190 men who watch professional sports. The men were separated according to their
educational level (college degree or not) and whether they preferred the NBA or the National Football League (NFL). The results of the Preference
Sports
survey are shown to the right. Complete parts a through d.
a. What is the probability that a randomly selected survey participant prefers the NFL?
(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?
(Round to four decimal places as needed.)
NBA
NFL
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.)
d. Is a survey participant's preference for the NBA independent of having a college degree?
No. The two events are not independent.
Yes. The two events are independent.
College
No College
Degree Degree
38
51
11
90
Transcribed Image Text:A marketing company has randomly surveyed 190 men who watch professional sports. The men were separated according to their educational level (college degree or not) and whether they preferred the NBA or the National Football League (NFL). The results of the Preference Sports survey are shown to the right. Complete parts a through d. a. What is the probability that a randomly selected survey participant prefers the NFL? (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? (Round to four decimal places as needed.) NBA NFL 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.) d. Is a survey participant's preference for the NBA independent of having a college degree? No. The two events are not independent. Yes. The two events are independent. College No College Degree Degree 38 51 11 90
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