SOLUTION: The integers 11 to 30 are written on 20 cards.If one card is selected at random,what is the probability that it is a prime number?
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Question 1028538: The integers 11 to 30 are written on 20 cards.If one card is selected at random,what is the probability that it is a prime number?
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
The prime numbers between 11 and 30 inclusive are 11, 13, 17, 19, 23, 29. Hence the probability is 6/20 = 0.30.
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