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A contest consist of predicting the resu...

A contest consist of predicting the result win, draw or defeat of 7 football matches. A sent his entry predicting at random. The probability that his entry will contain exactly 4 correct predictions is

A

`8/(3^(7))`

B

`16/(3^(7))`

C

`280/(3^(7))`

D

`560/(3^(7))`

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The correct Answer is:
C
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