document.write( "Question 1200243: A jar contains 6 red marbles numbered 1 to 6 and 4 blue marbles numbered 1 to 4. A marble is drawn at random from the jar. Find the probability that the marble is blue or odd-numbered. \n" ); document.write( "

Algebra.Com's Answer #834319 by ikleyn(52781) $\"\"$ $\"About$

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\n" ); document.write( "A jar contains 6 red marbles numbered 1 to 6 and 4 blue marbles numbered 1 to 4.
\n" ); document.write( "A marble is drawn at random from the jar. Find the probability that the marble is blue or odd-numbered.
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document.write( "    P(blue or odd-numbered) = P(blue) + P(odd-numbered) - P(blue AND odd-numbered) = \r\n" );
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document.write( "                            =  +  -  = .\r\n" );
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document.write( "Or mental reasoning says that there is 7 favorable marbles { 4 blue + disjoint 3 red odd-numbered }\r\n" );
document.write( "of the total 6+4 = 10 marbles.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved in two different ways.\r
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