Q.

The incidence of an occupational disease to the workers of a factory is 15000  . If there are 10000 workers in a factory then the probability that none of them will get the disease is

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a

e

b

e−2

c

e−3

d

e4

answer is B.

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Detailed Solution

λ=np=10000.15000=2 P(X=0)=e−2 the probability that none of them will get the disease =  e−2
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The incidence of an occupational disease to the workers of a factory is 15000  . If there are 10000 workers in a factory then the probability that none of them will get the disease is