Helena has a set of number cards numbered 1 thru 10. If Helena randomly draws two cards from the dec

label Algebra
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schedule 1 Day
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Well you see, i have my answer as 1/18, but its not on their and so im confused, but the unsimplified version is on there. the answers are,

A) 6/10

B) 5/10

C) 1/9

D) 5/90

Apr 10th, 2015

The answer is D, 5/90. For the first card draw, there are 5 odd numbered cards out of 10. So for the first card the probability is 5/90. For the second card draw, there are only 9 cards remaining. The odds of drawing the 2 are thus 1/9. We multiply the odds of the first draw and the odds of the second draw together and get 5/10*1/9=5/90.

Apr 10th, 2015

Thank you so much


Apr 10th, 2015

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Apr 10th, 2015
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Apr 10th, 2015
Sep 26th, 2017
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