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

A

`(0.2)^8`

B

`(0.8)^8`

C

1

D

`""^8C_6(0.2)^6(0.8)^2`

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The correct Answer is:
B
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