What is the shape parameter estimate

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Question

A sample of 10 electronic components was tested to a customer usage of 100 months. Seven of the ten components failed at times 89.6, 99.2, 79.2, 54.6, 83.0, 86.5 and 29.1 months. a Weibull plot of the reliability data Minitab and answer the following questions. Please use Maximum Likelihood Estimation when doing your analysis.

1. What is the mean time to failure (MTTF) estimate in months.

2. What is the shape parameter estimate?

3. How many months will it take for 20% of the population fail?

Reference no: EM133555535

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