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Q.1(b) M/s Nirala Sweets is selling its food products in the packing having net weight of 450 grams (+20gm, -10gms). After having received complaints of short filling, a sample of 1000 such packets showed a standard deviation () of 15gm., which was not acceptable to customers. The consumers society asked the company to remain with in 5gm. of net quantity otherwise they will impose a penalty by stopping the consumers to buy the company's product. [3 Marks] [Time-15-Minutes] Required: i. What is the existing Process capability ratio (Cp) of M/s Nirala Sweets? ii. What max. " " should be maintained to just satisfy the customer? ii. What max. " " must be maintained to achieve 4-sigma capability