document.write( "Question 1147919: The Sky Ranch is a supplier of aircraft parts. Included in stock are 10 altimeters that are correctly calibrated and two that are not. Three altimeters are randomly selected without replacement. Let the random variable
\n" ); document.write( "x represent the number that are not correctly calibrated.
\n" ); document.write( "Complete the probability distribution table.
\n" ); document.write( "x={0,1,2,3}
\n" ); document.write( "P(x=0)=?
\n" ); document.write( "P(x=1)=?
\n" ); document.write( "P(x=2)=?
\n" ); document.write( "P(x=3)=?
\n" ); document.write( "

Algebra.Com's Answer #769260 by greenestamps(13215)\"\" \"About 
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\n" ); document.write( "(1) P(x=0)

\n" ); document.write( "Choose 3 of the 10 good ones and 0 of the 2 bad: \"%2810C3%2A2C0%29%2F12C3\"

\n" ); document.write( "(2) P(x=1)

\n" ); document.write( "Choose 2 of the 10 good ones and 1 of the 2 bad: \"%2810C2%2A2C1%29%2F12C3\"

\n" ); document.write( "(3) P(x=2)

\n" ); document.write( "Choose 1 of the 10 good ones and 2 of the 2 bad: \"%2810C1%2A2C2%29%2F12C3\"

\n" ); document.write( "(4) P(x=3)

\n" ); document.write( "Obviously not possible; this probability is 0

\n" ); document.write( "Use a calculator if necessary.

\n" ); document.write( "Note those are all the possible outcomes, so you can check your calculations by verifying that the sum of all the probabilities is 1.
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