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Probability that a person will develop immunity after vaccination is 0.8 If 8 people are given the vaccine then probability that all develop immunity is

A

`(0.2)^(8)`

B

`(0.8)^(8)`

C

`1`

D

`""^(8)C_(6)(0.2)^(6)(0.8)^(2)`

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The correct Answer is:
B
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