Discuss the below:
Q: An automatic machine inserts mixed vegetables into a plastic bag. Past experience shows that some packages were underweight and some were overweight, but most of them had satisfactory weight.
Weight Percentage of Total
Underweight 2.5
Satisfactory 90.0
Overweight 7.5
a) What is the probability of selecting and finding that all three bags are overweight?
b) What is the probability of selecting and finding that all three bags are satisfactory?