Someone suggests that the lifetime T (in days) of a certain component can be modeled with the
Question:
Someone suggests that the lifetime T (in days) of a certain component can be modeled with the Weibull distribution with parameters α = 3 and β = 0.01.
a. If this model is correct, what is P(T ≤ 1)?
b. Based on the answer to part (a), if the model is correct, would one day be an unusually short lifetime? Explain.
c. If you observed a component that lasted one day, would you find this model to be plausible? Explain.
d. If this model is correct, what is P(T ≤ 90)?
e. Based on the answer to part (d), if the model is correct, would 90 days be an unusually short lifetime? An unusually long lifetime? Explain.
f. If you observed a component that lasted 90 days, would you find this model to be plausible? Explain.
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a b Yes Only one component in 10 6 will have a lifetime of 1 day or less i...View the full answer
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