Probability that a person will develop i...

Probability that a person will develop immunity after vaccinations is 0.8. if 8 people are givenn the vaccine, then probability that all develop immunity is=

`(0.2)^(8)`

`(0.8)^(8)`

`1`

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

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The correct Answer is:

Given probability that a person will develop immunity after vaccination `= 0.8`
`:.` Probability of 8 persons that all develop immunity
`= (0.8)^(8)`

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