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2. 14 A survey classified a large number of adults according to whether they were diagnosed as needing eyeglasses to correct their reading vision and whether they use eyeglasses wh The en reading. proportions falling into the four resulting categories are given in the following table: Uses Eyeglasses for Reading Needs glasses Yes Yes .14 40 0 .02 If a single adult is selected from the large group, find the probabilities of the events defined below. The adult a needs glasses. b needs glasses but does not use the c uses glasses whether the glasses are needed or not.

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