Question

3. Th e factory has experienced an average of four accidents per month over the last three years. The manager decided to require each employee to attend an accident prevention workshop. a. Assuming that the workshop has no effect on the accidents rate, what is the probability that next month there will be at least four accidents? Suppose that next month there is only one accident. Would you conclude that the workshop was successful? (Source: Brightman, H., & Schneider, H. (1992). Statistics for business problem solving (2nd ed.) (p.244). Nashville, TN: South-Western Publishing Co.) b.

Answer 1