SOLUTION: a bag contains 10 black marbles and 10 white marbles, 5 marbles are withdrawn and not replaced. what is the probability of drawing 5 white marbles in a row. thanks
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Question 287664: a bag contains 10 black marbles and 10 white marbles, 5 marbles are withdrawn and not replaced. what is the probability of drawing 5 white marbles in a row. thanks Answer by richwmiller(17219) (Show Source):
You can put this solution on YOUR website! As the problem is written, the probability is 100%.
Perhaps you miscopied the problem?
Problem corrected
10/20*9/19*8/18*7/17*6/16=
10/20*9/19*8/18*7/17*6/16
10/20=1/2
1/2*9/19*8/18*7/17*6/16=
9/18=1/2
1/2*1/19*8/2*7/17*6/16=
8/16=1/2
1/2*1/19*1/2*7/17*6/2=
6/2=3
1/2*1/19*1/2*7/17*3=
1/2*1/2*3=3/4
1/19*7/17*3/4=
21/1292=
.0162=
1.62%
