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CRE · Question #17
CRE Question #17: Real Exam Question with Answer & Explanation
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Question
An engineer must design a product with a probability of success 99%. Assume that both the strength and stress are normally distributed and that the standard deviations are the same. If the stress is known to be 3000 lbs with a standard deviation of 100 lbs, what must be the approximate designed strength?
Options
- A4020 lbs.
- B3730 lbs.
- C3330 lbs.
- D3100 lbs.
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