document.write( "Question 1145879: a) Calculate the expected number of smokers in a random sample of 140 students from this university \n" ); document.write( "
Algebra.Com's Answer #767139 by ikleyn(52834)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Some key part is missed in your post.\r
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\n" ); document.write( "\n" ); document.write( "Without it, the solution IS NOT POSSIBLE.\r
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