If the probability of a bad reaction from a certain injection is 0.001, and then the probability that out of 2000 individuals more than two will get a bad reaction will bea)1.00b)c)d)Correct answer is option 'B'. Can you explain this answer?

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If the probability of a bad reaction from a certain injection is 0.001, and then the probability that out of 2000 individuals more than two will get a bad reaction will be

a)

1.00
b)
c)
d)

Correct answer is option 'B'. Can you explain this answer?

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If the probability of a bad reaction from a certain injection is 0.001...

Probability of occurrence is very small so it will follow poisson’s distribution Mean (m)
=np
= 2000*0.001 = 2 Probability that more than 2 will get a bad reaction
=1- [p(0)-p(1)-p(2)]
=1-[

=1-[

= 1 -

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If the probability of a bad reaction from a certain injection is 0.001, and then the probability that out of 2000 individuals more than two will get a bad reaction will bea)1.00b)c)d)Correct answer is option 'B'. Can you explain this answer?

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