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प्रश्न
The probability distribution function of continuous random variable X is given by
f( x ) = `x/4`, 0 < x < 2
= 0, Otherwise
Find P( x ≤ 1)
उत्तर
P( x ≤ 1) = `int_0^1 f( x )` dx
= `int_0^1 x/4` dx
= `[ x^2/8 ]_0^1`
= `1/8`
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