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Serious occupational injuries that occur in the Lazaro Crdenas steel mill have an annual average of 2.8, given that the safety conditions will be the same in the plant during the next year. What is t...

Serious occupational injuries that occur in the Lazaro Crdenas steel mill have an annual average of 2.8, given that the safety conditions will be the same in the plant during the next year. What is the probability that the number of injuries will be so serious? minus 4?

a) 0.308063
b) 0.222484
c) 0.152324
d) 0.155739
0 0
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Answer #1

Answer: P (Number of serious injuries at least 4) 1 - P(Less than 4) -1 - Poisson.dist (3,2.8, True) [Excel Formula] -0.30806

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