document.write( "Question 1207715: Alex chooses a number at random from the set $\{1, 2, 3, \dots, 10\}.$ Winnie also chooses a number at random from the same set. (They can choose the same number.) What is the probability that the product of their numbers is at least 6? \n" ); document.write( "
Algebra.Com's Answer #845731 by mccravyedwin(406)\"\" \"About 
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document.write( "We find the probability of the complement event. (product < 6)\r\n" );
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document.write( "There are 2 ways they can choose different numbers. That is, each of the\r\n" );
document.write( "ways one of them can choose a 1 and the other choose 2,3,4, or 5.  That's\r\n" );
document.write( "2x4=8 ways. \r\n" );
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document.write( "There are 2 ways they can both choose 1's or both choose 2's.\r\n" );
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document.write( "That's 8+2 or 10 ways to fail.\r\n" );
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document.write( "There are 10 ways for Alex to choose a number and 10 ways for\r\n" );
document.write( "Winnie to choose a number.  That's 10x10 or 100 ways.\r\n" );
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document.write( "The probability of a failure is 10 ways out of 100, or 10/100 or 1/10.\r\n" );
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document.write( "So the probability of a success is 9/10.\r\n" );
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document.write( "Edwin
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