SOLUTION: an introductory psycology class has 65 freshman and 45 sophomores. what is the probability of randomly selecting a sophomore

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Question 853732: an introductory psycology class has 65 freshman and 45 sophomores. what is the probability of randomly selecting a sophomore
Answer by LinnW(1048) About Me  (Show Source):
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45/(65+45) = 45/110 = 40.9%