20)data contains company data of three suppliers. at = 0.05, does this company depend on supplier or should the cheapest supplier be chosen?

supplier good minor defect major defect

a 100 5 8

b 160 18 4

c 150 7 11

a) pvalue pf 0.039 rejects the assumption of indepence. futher supplier eval is recommended

b) the assumption of independence of the company and supplier cannot be rejects. choose cheapest supplier

c) pvalue of 0.0008 rejects the assumption on independence of the copany and supplier. further eval is recommended

d) none