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Possible Duplicate:
Calculation of a most probable value based on multiple probability distributions

We want to solve a problem like this one:

Random Variable: Number of hairs on the head of a person
Probability Distribution 1: Number of hairs depending on gender
Probability Distribution 2: Number of hairs dependent on age
Probability Distribution 3: Number of hairs dependent on hair color

Now I want to calculate the most  expected value for the number 
of hairs for a 34 years old, blonde woman. 

I have tried to solve the problem with SPSS but I could not. Which software is able to solve such problems?

PS. if you understand the problem and know the name of the software, I would be very grateful for your answer. Corrections to the question and theoretical controversies are unnecessary.

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marked as duplicate by leonbloy, t.b., Henry, Dilip Sarwate, Zev Chonoles Jun 6 '12 at 19:55

This question was marked as an exact duplicate of an existing question.

Also, when you do, please be sure to explain what you've tried so far... Forgot this piece of the advice you received on the other page? – Did Jun 4 '12 at 13:59
uh.... as I recall, this is the first redaction of this question:… i guess it's the same user? – leonbloy Jun 4 '12 at 14:12
-1 for "Corrections to the question and theoretical controversies are unnecessary." – Dilip Sarwate Jun 6 '12 at 10:54

R, Stata, MATLAB, and good ol' computation by hand are all capable of performing this calculation.

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