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Review statements about light bulbs and paint cans

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Reference no: EM131689622

Question: 1. The manager of a paint supply store wants to determine whether the amount of paint contained in 1-gallon cans purchased from a nationally known manufacturer actually averages 1 gallon. State the null and alternative hypotheses.

2. The quality control manager at a light bulb factory needs to determine whether the mean life of a large shipment of light bulbs is equal to the specified value of 375 hours. State the null and alternative hypotheses.

Reference no: EM131689622

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