Please try this question and see whether you got my answer...i am having some doubt(adsbygoogle = window.adsbygoogle || []).push({});

The random variable X is normally distributed with mean V and variance C^2. It is known that P(x>102)=0.42 and P(x<97)=0.25

calculate V(mean) and variance c^2

i got mean 100.8 and variance(-5.7)^2

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# Homework Help: Statistic maths

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