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Question: Uestion 3: You are in charge of designing a bridge. The bolts used in the bridge design ave a ten…



Question: Uestion 3: You are in charge of designing a bridge. The bolts used in the bridge design ave a ten...

Show transcribed image text uestion 3: You are in charge of designing a bridge. The bolts used in the bridge design ave a tensile strength of at least 550 lbs. A contractor approaches you with a new bolt. hich is cheaper to produce. You test five samples of the new bolts. The tensile strengths of the five bolts was found to be 560, 565, 575, 555, and 558 respectively. Will you accept the new bolt? Assume a 95% confidence level and the population distribution of the bolts to be normal.

uestion 3: You are in charge of designing a bridge. The bolts used in the bridge design ave a tensile strength of at least 550 lbs. A contractor approaches you with a new bolt. hich is cheaper to produce. You test five samples of the new bolts. The tensile strengths of the five bolts was found to be 560, 565, 575, 555, and 558 respectively. Will you accept the new bolt? Assume a 95% confidence level and the population distribution of the bolts to be normal.

  

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