Let f ( x , y ) = 3 x , if 0 y x 1 and f ( x , y ) = 0 otherwise. What is P ( X 1/2 , Y 1/4 ) ? Round to the second decimal place and give the answer as a percentage (i.e. 12.34).
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Let X be a discrete random variable with probability mass function giv (1).docx
1. Let X be a discrete random variable with probability mass function given by f ( x ) = 0.029 +
0.057 x for x = 1 , 2 , 3 , 4 , 5 . Find the standard deviation of X . 1.1001 1. 2943 1.0354 1.2295
1.1648