Jikim

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9 years, 1 days

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Dear All,

I am a bigginer of Maple. I'm trying to solve the following in Maple.

 

> with(Statistics);
> f := Distribution(NormalDistribution(0.3,1));

> Y := RandomVariable(f);
> fy := PDF(Y, y);

> Fy := CDF(Y, y);

> int((diff(-ln(1-Fy), y))*fy, y = -infinity .. infinity);

> w := evalf(%);

 

But Maple told me that the answer is the integral -float(∞)..float(∞).

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