document.write( "Question 606332: Find the probability of getting a prime number in the case that a number is chosen randomly from the set {1,2,3,4,...12}\r
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document.write( "So my thoughts were the prime numbers are 1,2,3,5,7,11 and there are 12 possibilities so the answer should be 1/2. But the answer given to me is 5/12. What am I missing?
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Algebra.Com's Answer #382068 by richard1234(7193)![]() ![]() You can put this solution on YOUR website! 1 is not a prime number. If it were prime, then any \"prime number\" such as 3 could be expressed as the product of two or more primes (3*1, 3*1*1, etc.) and therefore wouldn't be prime.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Therefore the probability is 5/12.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |