Q.
A manufacturing concern employing a large number of workers over a period of time and the average absentee rate is 2 workers per shift then probability that exactly two workers will be absent is
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a
1e2
b
2e2
c
4e2
d
2e2
answer is B.
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Detailed Solution
λ = 2 P(X=2)=e−λλ22! =e−2222!=2e2
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