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The centres for disease control have det...

The centres for disease control have determined that when a person is given will develop immunity to virus is 0.8 If eight people are given this vaccine find the probability that
(1) none will develop immunity
(2) exactly four will develop immunity .
(3) all will develop immunity ,

A

`0.000128`

B

1.28E-5

C

2.56E-5

D

2.56E-6

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The correct Answer is:
D
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