Mathematics, 31.03.2021 02:20, sarahgilbert8677

The following data are the result of inspecting aircraft seat belt buckles. Number of buckles in the sample Number of defective buckles 50 2,60 3,40 1, 50 2,55 0,55 1,50 0,60 1. The values ranging from 40-60 are the number of samples taken in total, the other number is the number of defectives. These total to 420 for the sampled and 10 for the defectives found. a) What is the average percent defective (pbar)?
b) What are the upper and lower control limits
c) An additional 75 more samples were tested and 4 more defectives were found. Is this point located within the control limits and what would be its p value? Y/N,

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