A Company Randomly Selects 100 Light Bulbs Every Day for 40

question 7

Multiple Choice

A company randomly selects 100 light bulbs every day for 40 days from its production process.If 600 defective light bulbs are found in the sampled bulbs then the 3-sigma lower control limit would be

• A)0.0357
• B)0.0429
• C)0.15
• D)0.1857

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