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The following data are number of months in service of air conditioning units in airplanes before the units develop a fault. In below, the symbol "+" represents a censored observation, that is, the corresponding unit is still working at the time of data collection: 0, 0, 1+, 1+, 2+, 2, 4, 7, 8+, 21+. Assume that survival times are exponentially distributed S(t) = e¯μt. A) Compute 1 di . B) Computeti. C) Estimate u by maximum likelihood.

The following data are number of months in service of air conditioning units in airplanes before the units develop a fault. In below, the symbol "+" represents a censored observation, that is, the corresponding unit is still working at the time of data collection: 0, 0, 1+, 1+, 2+, 2, 4, 7, 8+, 21+. Assume that survival times are exponentially distributed S(t) = e¯μt. A) Compute 1 di . B) Computeti. C) Estimate u by maximum likelihood.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The following data are number of months in service of air conditioning units in airplanes before the units develop a fault. In below, the symbol "+" represents a censored observation, that is, the corresponding unit is still working at the time of data collection: 0, 0, 1+, 1+, 2+, 2, 4, 7, 8+, 21+. Assume that survival times are exponentially distributed S(t) = e¯µt. A) Compute 1 8¡ . B) Compute Σ_1 t¡ . i=1 C) Estimate u by maximum likelihood.
Transcribed Image Text:The following data are number of months in service of air conditioning units in airplanes before the units develop a fault. In below, the symbol "+" represents a censored observation, that is, the corresponding unit is still working at the time of data collection: 0, 0, 1+, 1+, 2+, 2, 4, 7, 8+, 21+. Assume that survival times are exponentially distributed S(t) = e¯µt. A) Compute 1 8¡ . B) Compute Σ_1 t¡ . i=1 C) Estimate u by maximum likelihood.
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