Tickets numbered 1 to 20 are mixed up and then a ticket is


Question: Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5? b. A bag contains 2 red, 3 green and 2 blue balls. Two balls are drawn at random. What is the probability that none of the balls drawn is blue?

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Basic Statistics: Tickets numbered 1 to 20 are mixed up and then a ticket is
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