Describe any other information you would require. Case Question 4 Accident statistics for a particular industry show that 1 worker in 500 is fatally injured per year. One firm in this industry has a labour force of 350 men. Describe any assumptions you have made. The monthly demand for a component is 2 per month and follows a Poisson distribution.
Stock is brought in at the beginning of the month.
Find the probability that more than 45 men in a randomly selected group of 400 men will suffer from the disease. Use the normal approximation to the binomial. State any assumptions that you have made.