According to the State Insurance Agency, a family of 4 members spend between 400 and $ 3800 per year in all types of insurance. Sunponga that money is spent has a uniform distribution.
1. What is the average amount being spent on insurance?
2. If a family is chosen at random, Cuá is likely to spend less than $ 2000 per year?
The solution provides step by step method for the calculation of probability from normal distribution . Formula for the calculation and Interpretations of the results are also included.