document.write( "Question 1169016: According to a survey, 38% of employees working at a very large company are happy with their jobs. Suppose that two employees are selected at random from this company. Let x denote the number of employees in this sample of two who are happy with their jobs. Construct the probability distribution table of x.
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document.write( "x p(x)
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document.write( "0 ?
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Algebra.Com's Answer #851291 by ikleyn(52858) You can put this solution on YOUR website! . \n" ); document.write( "According to a survey, 38% of employees working at a very large company are happy with their jobs. \n" ); document.write( "Suppose that two employees are selected at random from this company. \n" ); document.write( "Let x denote the number of employees in this sample of two who are happy with their jobs. \n" ); document.write( "Construct the probability distribution table of x. \n" ); document.write( "_______ \n" ); document.write( "x p(x) \n" ); document.write( "_______ \n" ); document.write( "0 ? \n" ); document.write( "1 ? \n" ); document.write( "2 ? \n" ); document.write( "_______ \n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "(a) x = 0 means that in the pair no one is happy.\r\n" ); document.write( " \r\n" ); document.write( " The probability for it is P(x=0) = (1-0.38)*(1-0.38) = 0.3844.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "(b) x = 1 means that one of the two in the pair is happy, while another is not.\r\n" ); document.write( "\r\n" ); document.write( " The probability for it is P(x=1) = (1-0.38)*0.38 + 0.38*(1-0.38) = 0.4712.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "(c) x = 2 means that both in the pair are happy.\r\n" ); document.write( "\r\n" ); document.write( " The probability for it is P(x=2) = 0.38*0.38 = 0.1444.\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "Solved.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |