part B only please

i think it is asking the minimum sample size that will improve the quality. i really do not understand the question itself

6. For every shipment of eggs they receive, Hy-Vee inspects a single (dozen) container of eggs and records the total number of defects (dirty eggs, cracked eggs, misshapen eggs, etc.) found in the container. Over the last 40 weeks they have found a total of 168 defects. Find the control limits for a C-chart. (Note you may assume that an egg can be simultaneously dirty, cracked, and misshapen) b) Given their current quality level, what sample size would HyVee need to take (per shipment) to be able to identify when the supplier actually makes an improvement in their quality? Exam#2 Spring 2020 6. For every shipment of eggs they receive, Hy-Vee inspects a single (dozen) container of eggs and records the total number of defects (dirty eggs, cracked eggs, misshapen eggs, etc.) found in the container. Over the last 40 weeks they have found a total of 168 defects. Find the control limits for a C-chart. (Note you may assume that an egg can be simultaneously dirty, cracked, and misshapen) b) Given their current quality level, what sample size would HyVee need to take (per shipment) to be able to identify when the supplier actually makes an improvement in their quality? Exam#2 Spring 2020