58. In a sample of 275 students, 20 say they are vegetar- ians. Of the vegetarians, 9 eat both fish and eggs, 3 eat eggs but not fish, and 7 eat neither. Choose one of the vegetarians at random. What is the probability that the chosen student eats fish or eggs? (a) 9/20 (c) 22/20 (e) 22/275 (b) 13/20 (d) 9/275
58. In a sample of 275 students, 20 say they are vegetar- ians. Of the vegetarians, 9 eat both fish and eggs, 3 eat eggs but not fish, and 7 eat neither. Choose one of the vegetarians at random. What is the probability that the chosen student eats fish or eggs? (a) 9/20 (c) 22/20 (e) 22/275 (b) 13/20 (d) 9/275
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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