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about to only mathematics...

about to only mathematics

A

`0.8750`

B

0.0875

C

0.0625

D

`0.0250`

Text Solution

Verified by Experts

The correct Answer is:
B
India play 4 matches and getting at least 7 points. It can only be possible in WWWD or WWWW position, where W represents two points and D represents one point. Therefore, the probability of the required event
`overset(4)""C_(3)(0.05)(0.5)^(3)+overset(3)""C_(4)(0.5)^(4)`
`=[4(0.5)+0.5](0.5)^(3)=0.0875`
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