The incidence of an occupation disease to the workers of a factory is found to be `1//5000`. If there are 10000 workers in a factory then the probability that none of them will get the disease is

Monthly income of workers of a factory is

By which disease the workers of asbestos factories suffer from?

The incidence of occupational desease 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 catch the disease?

The incidence of occupational disease is such that on the averatge 20% of workers suffer from it. If 10 wrkers are selected at random, find the probability that not more that 2 workers suffer from the disease.

The incidence of occupational disease is such that on the average 20% of workers suffer from it. If 10 workers are selected at random, find the probability that exactly 2 workers suffer from the disease.

The ratio of male and female workers in a factory is 8 : 5 . If there are 104 male workers. Find the number of female workers in the factory.

find the mean salary of 60 workers of a factory from the given table

The following table gives the weekly wage of workers in a factory: Find the mean