document.write( "Question 926907: The probability distribution of the random variable X is shown in the accompanying table.
\n" ); document.write( "x −10 −5 0 5 10 15 20
\n" ); document.write( "P(X = x)
\n" ); document.write( " 0.25 0.20 0.10 0.05 0.15 0.05 0.20
\n" ); document.write( "Find the following.
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\n" ); document.write( "P(X = −10)\r
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\n" ); document.write( "\n" ); document.write( "(b)
\n" ); document.write( "P(X ≥ 5)\r
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\n" ); document.write( "\n" ); document.write( "(c)
\n" ); document.write( "P(−5 ≤ X ≤ 5)\r
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\n" ); document.write( "\n" ); document.write( "(d)
\n" ); document.write( "P(X ≤ 20)\r
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\n" ); document.write( "\n" ); document.write( "(e)
\n" ); document.write( "P(X < 5)\r
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\n" ); document.write( "\n" ); document.write( "(f)
\n" ); document.write( "P(X = 3)\r
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Algebra.Com's Answer #562572 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi
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document.write( "x   P(x)
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document.write( "-10   .25
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document.write( "-5    .20
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document.write( " 0    .10
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document.write( " 5    .05
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document.write( " 10   .15
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document.write( " 15   .05
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document.write( " 20   .20 = 1
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document.write( "....
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document.write( "(a)  P(X = −10) = .25
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document.write( "(b) P(X ≥ 5)  = .05 + .15 + .05 +.20
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document.write( "(c) P(−5 ≤ X ≤ 5)  =  .20 + .10 + .05
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document.write( "(d) P(X ≤ 20) = 1
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document.write( "(e) P(X < 5)  = .10 + .20 + .25
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document.write( "(f) P(X = 3)  =  0\r
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document.write( "\n" );
document.write( " \n" );
document.write( "

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