document.write( "Question 842968: Determine the value of c so that the function f(x) = c(x2 + 4) for x=O, 1 ,2,3 can serve
\n" ); document.write( "as a probability distribution of the discrete random variable X. \n" ); document.write( "

Algebra.Com's Answer #507860 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
I'm assuming you mean $\"x%5E2\"$ ? Use the caret x^2.
\n" ); document.write( " $\"f%280%29=c%280%2B4%29=4c\"$
\n" ); document.write( " $\"f%281%29=c%281%2B4%29=5c\"$
\n" ); document.write( " $\"f%282%29=c%284%2B4%29=8c\"$
\n" ); document.write( " $\"f%283%29=c%289%2B4%29=13c\"$
\n" ); document.write( "The sum of the f values has to equal 1.
\n" ); document.write( " $\"4c%2B5c%2B8c%2B13c=1\"$
\n" ); document.write( " $\"30c=1\"$
\n" ); document.write( " $\"c=1%2F30\"$ \n" ); document.write( "

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