The distribution of monthly incomes of 5,000 employees of a certain industrial unit was found to be normally distributed with mean of Rs. 2,000 and a…
2082 · Solved Question with Answer
The distribution of monthly incomes of 5,000 employees of a certain industrial unit was found to be normally distributed with mean of Rs. 2,000 and a standard deviation of Rs. 200. Estimate,
(i) the range of incomes of the middle 60% employees,
(ii) the lowest income of richest 10% employees,
(iii) the highest income of poorest 10% employees.
