document.write( "Question 139734: Having a lot of trouble with this. Please help and show me how so I can actually learn from all this. Thanks!\r
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document.write( "PS- I am allowed to use Megastat on this so any direction there would be welcomed as well.\r
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document.write( "Q: Labor negotiators estimate that 30% of all major contract negotiations result in a strike. During the next year, 12 major contracts must be negotiatied. Show all of your work, the results below are from MegaStat.\r
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document.write( "Binomial Distribution:
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document.write( "N 12
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document.write( "P 0.3 \r
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document.write( "Expected Value 3.600
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document.write( "Variance Standard 2.520
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document.write( "Deviation 1.587 \r
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document.write( "A. Determine the probabiltiy of no strikes next year.
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document.write( "B. Determine the probabiloty of 3 or 4 strikes next year.
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document.write( "C. What is the average number of strikes expected for next year? \n" );
document.write( "
Algebra.Com's Answer #102051 by stanbon(75887) ![]() You can put this solution on YOUR website! Q: Labor negotiators estimate that 30% of all major contract negotiations result in a strike. During the next year, 12 major contracts must be negotiatied. Show all of your work, the results below are from MegaStat. \n" ); document.write( "Binomial Distribution: \n" ); document.write( "N 12 \n" ); document.write( "P 0.3 \n" ); document.write( "Expected Value 3.600 \n" ); document.write( "Variance Standard 2.520 \n" ); document.write( "Deviation 1.587 \n" ); document.write( "--------------------- \n" ); document.write( "P(strike) = 0.3 ; P(no strike) = 0.7 \n" ); document.write( "--------------------------- \n" ); document.write( "A. Determine the probabiltiy of no strikes next year. \n" ); document.write( "P(none in 12) = 0.7*12 = 0.1384... \n" ); document.write( "---------------- \n" ); document.write( "B. Determine the probability of 3 or 4 strikes next year. \n" ); document.write( "P(3 or 4) = Prob(3) + P(4) = 12C3(0.3)^3*(0.7)^9 + 12C4(0.3)^4*(0.7)^8 \n" ); document.write( "= 0.2397... + 0.2311396... = 0.47084... \n" ); document.write( "---------------------- \n" ); document.write( "C. What is the average number of strikes expected for next year? \n" ); document.write( "mean or average = np = 12*0.3 = 3.6 strikes per year \n" ); document.write( "================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |