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tester [92]
3 years ago
6

Please help!

Mathematics
1 answer:
Lerok [7]3 years ago
3 0

Answer: No. The method is not fair.

 

<span>The probability of pulling a gold or a silver for the first time is 1/10. The probability of getting the same color the second time is 1/9. The probability of getting a different color on the second pullout is still 1/10. Therefore, the chance that same  colors will be pulled out is higher than that of different colors.  Betty  has an advantage in the drawing by 1.1%.</span>

 

Solution:

Probability of same color:

1/10+1/9

9/90+10/90

21.1%

Probability of different colors

1/10+1/10

2/10

20%

<span>21.1%-20%=1.1%</span>

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Dafna11 [192]

Answer:

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7 0
2 years ago
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Paraphin [41]

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8 0
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Contact [7]

Answer:

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