# MATH

You have five \$1 bills, four \$5 bills six \$10 bills and three \$20 bills. You select a bills at random. Without replacing the bill, You choose a second bill. What is P(\$1, then \$10)?

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1. I think it's B. The probabilities change every time a bill is pulled out. The probability of pulling out a 1 first is 5 out of 18 which is .227 then the probability of pulling out a 10 is 6 out of 17 because you don't replace the bill. since the events are independent of each other, you get .35, then you multiply them to get .098 which in fraction form is answer B.

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posted by Elena
2. B. 5/51

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posted by Elena
3. Elena is correct because i just took my test! =)

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posted by Uh
4. quack c;

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5. wow, butt sir. I love your choice of animals. c;;;

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6. So is the answer b or c?

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posted by Yomama
7. it's B

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posted by Finn
8. Probability Unit Test Part 1
D
A
C
B
B
B
A
C
D
B
C
B
C
D
C
C
A
A

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posted by Him
9. Is Him right?

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posted by ????
10. neope, and even if he was dont cheat :D

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posted by Hunter
11. .

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12. Him is not right. totally wrong

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posted by lolo

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