Astore manager receives two different deliveries of shoes on a daily basis. each delivery ships 60 pairs of shoes. the store manager checks both shipments
and finds out 4 pairs are defective. based on these results, what can the store manager predict?

a. 3 shipments of shoes will contain 2 more defective pairs than 2 shipments of shoes.
b. 4 shipments of shoes will contain 2 more defective pairs than 2 shipments of shoes.
c. 5 shipments of shoes will contain 10 more defective pairs than 2 shipments of shoes.
d. 6 shipments of shoes will contain 5 more defective pairs than 2 shipments of shoes.