Forty-seven employees in an office wear eyeglasses. Thirty-one have single-vision correction, and 16 wear bifocals. If two employees are selected at random from this group, what is the probability that both of them wear bifocals? What is the probability that both have single-vision correction?
Answer to relevant QuestionsOf the 35 students in a class, 22 are taking the class because it is a major requirement, and the other 13 are taking it as an elective. If two students are selected at random from this class, what is the probability that ...The probability that a farmer is in debt is .80. What is the probability that three randomly selected farmers are all in debt? Assume independence of events. How is the addition rule of probability for two mutually exclusive events different from the rule for two mutually nonexclusive events? Reconsider Problem 14. If one of these 200 students is selected at random, what is the probability that the selected student is a female or an out-of-state student? The student health center at a university treats an average of seven cases of mononucleosis per day during the week of final examinations. a. Using the appropriate formula, find the probability that on a given day during the ...
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