document.write( "Question 1132454: the probability that 3boys passed an exam are 2/3,5/8,3/4 respectively.find the probability that all the three boys passed and also the probability that none of the three boys passed .fin
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Algebra.Com's Answer #749504 by ikleyn(53756)\"\" \"About 
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document.write( "(a)  all the three boys passed:                             P = \"%282%2F3%29%2A%285%2F8%29%2A%283%2F4%29\".\r\n" );
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document.write( "(b)  the probability that none of the three boys  passed:   P = \"%281-%282%2F3%29%29%2A%281-%285%2F8%29%29%2A%281-%283%2F4%29%29\".\r\n" );
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document.write( "(c)  the probability that only two boys passed:             P = \"%282%2F3%29%2A%285%2F8%29%2A%281-3%2F4%29\" + \"%282%2F3%29%2A%283%2F4%29%2A%281-5%2F8%29\" + \"%285%2F8%29%2A%283%2F4%29%2A%281-2%2F3%29\".\r\n" );
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