document.write( "Question 843167: Randomly draw a ball from a box which contains 3 red balls and 4 blue balls. Record the color of the ball drawn and put it back into the box. Repeat the above procedures 4 times. What is the probability of getting at least one red ball out of these four trials? \n" ); document.write( "

Algebra.Com's Answer #507965 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( " balls ; 3 red and 4 blue balls
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document.write( "ball is drawn and put it back into the box...
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document.write( "P(of drawing at least one red) = 1 - P(none) = 1 -  \n" );
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