document.write( "Question 850043: Please help, question is; Suppose we select without looking, one marble from a bag containing 6 red marbles and 8 blue marbles.
\n" ); document.write( "a)what is the probability of selecting a blue marble on the first try?
\n" ); document.write( "b) if you return the marble to the bag, what is the probability of selecting a red marble?
\n" ); document.write( "c) if you first selected a red marble and you don't return that marble to the bag, what is the probability of the second draw being a blue marble?
\n" ); document.write( "d) Starting over with all the marbles in the bag, how many draws would you need to guarantee blue marble? \n" ); document.write( "

Algebra.Com's Answer #511927 by richwmiller(17219) $\"\"$ $\"About$

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a)8/14=4/7
\n" ); document.write( "b)6/14=3/7
\n" ); document.write( "c)8/13
\n" ); document.write( "d)you have to make 6+1=7 draws to guarantee a blue marble \n" ); document.write( "

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