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4 The time to failure of an electrical component has a Weibull distribution with parameters λ = 0.056 and a = 2.5. A random collection of 500 components is obtained. Estimate the probability that at least 125 of the 500 components will have failure times larger than 20.
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4 The time to failure of an electrical component has a Weibull distribution with parameters λ = 0.05...
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