document.write( "Question 48387: I am really confused with this one. The book doesn't offer enough explanation. Please help...\r
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document.write( "Calculate the probability of the event
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document.write( "Four digits are selected from the digits 1,2,3,4 and a number is formed. Find the probability that the number is greater thaan 3000, assuming digits can be repeated. \n" );
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Algebra.Com's Answer #33214 by stanbon(75887) ![]() You can put this solution on YOUR website! Four digits are selected from the digits 1,2,3,4 and a number is formed. Find the probability that the number is greater than 3000, assuming digits can be repeated. \n" ); document.write( "-----------------------------------\r \n" ); document.write( "\n" ); document.write( "The thousands digit must be either 3 or 4: 2 ways to choose \n" ); document.write( "The remaining three digits may be chosen is 4^3=64 ways\r \n" ); document.write( "\n" ); document.write( "Answer 2*64=128\r \n" ); document.write( "\n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |