Solution-The incidence of occupational disease in an

The incidence of occupational disease in an industry is

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Reference no: EM13580725

1. The incidence of occupational disease in an industry is such that the workers have a 20% chance of suffering from it. What is the probability that out of six workers 4 or more will contract the disease?

2. Use chi-square test to test if the two attributes (Performance and Training) in the following table are independent. Test at 5% level of significance.

Performance				Training
Intensive		Good		Average		Total
Above Average	100		150		40		290
Average	100		100		100		300
Poor	50		80		150		280
Total 250		330		290		870

Reference no: EM13580725

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The incidence of occupational disease in an industry is

Reference no: EM13580725

Reference no: EM13580725

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