document.write( "Question 103736: i'm having trouble understanding what the formula should be for this problem/statement. \r
\n" ); document.write( "\n" ); document.write( "Three roses are to be placed in a vase. the color choices are red,pink,white,yellow, and orange. what is the probability that 3 roses selected at random will not include red?
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Algebra.Com's Answer #75395 by stanbon(75887)\"\" \"About 
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Three roses are to be placed in a vase. the color choices are red,pink,white,yellow, and orange. what is the probability that 3 roses selected at random will not include red?
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\n" ); document.write( "# of ways to pick three roses that are not red = 4C3 = 4
\n" ); document.write( "# of ways to pick three roses of any color = 5C3 = 10
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\n" ); document.write( "P(pick three that are not red) = 4/10 = 0.4
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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