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alexis05evans
26.10.2020 •
Mathematics
The odds against a chess-master beating a computer are 11:5. What is the probability the at the chessmaster will win a match against the chessmaster?
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Ответ:
Given:
The odds against a chess-master beating a computer are 11:5.
To find:
The probability the at the chessmaster will win a match against the computer?
Solution:
Let E be the event the chessmaster will win a match against the computer.
Odds against a chess-master beating a computer![=\dfrac{P(E')}{P(E)}](/tpl/images/0839/3536/280f3.png)
The odds against a chess-master beating a computer are 11:5. So,
Let P(E') and P(E) are 11x and 5x respectively.
Now,
Probability the at the chessmaster will win a match against the computer P(E) is
Therefore, the required probability is
.
Ответ:
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Step-by-step explanation:
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