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According to a survey, 35% of adults are against using animals for research. Assume that this result holds true for the current
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40 employees in an office wear eyeglasses. 23 have single-vision correction, and 17 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
40 employees in an office wear eyeglasses. 23 have single-vision correction, and 17 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

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