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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Physics, 22.06.2019 09:30
Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.
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Physics, 22.06.2019 15:20
What component of earth’s atmosphere exists entirely as a result of photosynthesis?
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Physics, 22.06.2019 23:40
Certain bacteria (such as aquaspirillum magnetotacticum) tend to swim toward the earth’s geographic north pole because they contain tiny particles, called magnetosomes, that are sensitive to a magnetic field. if a transmission line carrying 100 a is laid underwater, at what range of distances would the magnetic field from this line be great enough to interfere with the migration of these bacteria? (assume that a field less than 5% of the earth’s field would have little effect on the bacteria. take the earth’s field to be 5.0 * 10-5 t, and ignore the effects of the seawater.)
Answers: 1
4 The time to failure of an electrical component has a Weibull distribution with parameters λ = 0.05...
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