An Automatic Machine Inserts Mixed Vegetables into a Plastic Bag

Multiple Choice

An automatic machine inserts mixed vegetables into a plastic bag. Past experience revealed that some packages were underweight and some were overweight, but most of them had satisfactory weight. What is the probability of selecting and finding that all three of them are satisfactory?

A) 0.900
B) 0.810
C) 0.729
D) 0.075
E) None of the choices are correct