An electronics company manufactures components in lots of ten. From past experience, the company knows that 70% of all lots contain no defective components (these lots are called perfect lots), that 2?
a) 80% of lots contain exactly one defective component
b) 15% of lots contain exactly two defective components
c) 5% of lots contain exactly three defective components
d) 10% of lots contain four or more defective components