document.write( "Question 559472: This probability distribution shown below relates to the number of times a person goes to a local coffee shop per day. What is the expected mean (average) number of times a person goes to a local coffee shop per day?
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document.write( "x p(x)
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document.write( "0, 0.65
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document.write( "1, 0.15
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document.write( "2, 0.2\r
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document.write( "please solve and show me how you solved it. \n" );
document.write( "
Algebra.Com's Answer #363431 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! x p(x) \n" ); document.write( "0, 0.65 \n" ); document.write( "1, 0.15 \n" ); document.write( "2, 0.2 \n" ); document.write( "--- \n" ); document.write( "E(x) = 0*0.65 + 1*0.15 + 2*0.2 \n" ); document.write( "--- \n" ); document.write( "= 0 + 0.15 = 0.4 \n" ); document.write( "--- \n" ); document.write( "= 0.55 \n" ); document.write( "============ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============ \n" ); document.write( " |