document.write( "Question 359556: Determine whether each of the distributions given below represents a probability distribution. Justify your answer.
\n" ); document.write( "
\n" ); document.write( " x
\n" ); document.write( " 1
\n" ); document.write( " 2
\n" ); document.write( " 3
\n" ); document.write( " 4
\n" ); document.write( "
\n" ); document.write( "P(x)
\n" ); document.write( " 1/12
\n" ); document.write( " 5/12
\n" ); document.write( " 1/3
\n" ); document.write( " 1/12
\n" ); document.write( " \r
\n" ); document.write( "\n" ); document.write( "(A)
\n" ); document.write( "
\n" ); document.write( " x
\n" ); document.write( " 3
\n" ); document.write( " 6
\n" ); document.write( " 8
\n" ); document.write( "
\n" ); document.write( "P(x)
\n" ); document.write( " 2/10
\n" ); document.write( " .5
\n" ); document.write( " 1/5
\n" ); document.write( " \r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "(B)
\n" ); document.write( " x
\n" ); document.write( " 20
\n" ); document.write( " 35
\n" ); document.write( " 40
\n" ); document.write( " 50
\n" ); document.write( "
\n" ); document.write( "P(x)
\n" ); document.write( " 0.4
\n" ); document.write( " -0.2
\n" ); document.write( " 0.5
\n" ); document.write( " 0.3
\n" ); document.write( "
\n" ); document.write( "(C)
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #256554 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
A) No, $\"sum%28P%28x%29%29=11%2F12\"$ , must be $\"1\"$ .
\n" ); document.write( "B) No, $\"sum%28P%28x%29%29=9%2F10\"$ , must be $\"1\"$ .
\n" ); document.write( "C) No, $\"P%28x%29%3E=0\"$ for every $\"x\"$ . \n" ); document.write( "

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