F(x)=0 for x<0
=1/3 for 0<=x<=1/2
=1/2 for 1/2<=x<=3/4
=1 for x>=3/4
Determine,for the random variableX,the
(a) upper quartile
(b) lower quartile
(c) propability mass function of X
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F(x)=0 for x<0
=1/3 for 0<=x<=1/2
=1/2 for 1/2<=x<=3/4
=1 for x>=3/4
Determine,for the random variableX,the
(a) upper quartile
(b) lower quartile
(c) propability mass function of X
Hey lancelot.
Hint: Try relating the quartiles to a probability expression (i.e. P(X < x) = q for some quartile value q).