Mark Zuckerberg,the founder of Facebook,announced that he will eat meat only from animals that he has killed himself (Vanity Fair,November 2011).Suppose 257 people were asked,"Does the idea of killing your own food appeal to you,or not?" The accompanying contingency table,cross-classified by gender,is produced from the 187 respondents. Given that the respondent is male,the probability that he feels that the idea of killing his own food is appealing is the closest to ____.
A) 0.19.
B) 0.38.
C) 0.59.
D) 0.64.

Question

Mark Zuckerberg,the founder of Facebook,announced that he will eat meat only from animals that he has killed himself (Vanity Fair,November 2011).Suppose 257 people were asked,"Does the idea of killing your own food appeal to you,or not?" The accompanying contingency table,cross-classified by gender,is produced from the 187 respondents.  Given that the respondent is male,the probability that he feels that the idea of killing his own food is appealing is the closest to ____.
A) 0.19. 
B) 0.38. 
C) 0.59. 
D) 0.64.

Quizplus · Accepted Answer

Looking at the table, for males, the number of people who find the idea appealing is 58, and the total number of male respondents is 98. Hence, the probability that a male respondent finds the idea appealing is 58/98 = 0.59 (rounded to two decimal places).

Mark Zuckerberg,the Founder of Facebook,announced That He Will Eat Meat