sample from distributions

I need to know how to sample from a Weibull distribution based on a current age (distribution represents failure times in this case).

I know that integrating the PDF from the age (variable) and solving for t will give me the equation I need, but I am not smart enough to do this math. I also need to be able to do this for the Normal and LogNormal distribution.

Please help, anyone. It will be greatly appreciated.

Quote:

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Originally Posted by Muddy

I need to know how to sample from a Weibull distribution based on a current age (distribution represents failure times in this case).

I know that integrating the PDF from the age (variable) and solving for t will give me the equation I need, but I am not smart enough to do this math. I also need to be able to do this for the Normal and LogNormal distribution.

Please help, anyone. It will be greatly appreciated.

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Muddy,

Here you have the answer to your questions in the Excel file attached.
Hope this suffices. Otherwise, please feel free to email me to [email protected]. :)

Rui