Calculate process capability index-certain cereal

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Reference no: EM131042275

JohnniesAreBest is the maker of a certain cereal. Consumer reports has just published an article that shows that they frequently have less than 16 ounces of cereal in a box. Let’s assume that the government says that they must be within ± 5 percent of the weight advertised on the box. TommiesAreBest goes out and buys 1,000 boxes of cereal and find that they weigh an average of 15.875 ounces with a standard deviation of .550 ounces

a. Calculate the Process Capability Index

b. What does this Cpk mean?

c. What is the probability of Johnnies Are Best producing a defective product?

Reference no: EM131042275

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