document.write( "Question 1169658: I asked this earlier but I got an answer I didn't really understand so I'll try again because this is all the info they gave me for the question...\r
\n" ); document.write( "\n" ); document.write( "1.67% of children in a school do not have cavities. Let x be the number of children in a random sample of 70 children selected from this school who do not have cavities.
\n" ); document.write( "The mean and standard deviation of the probability distribution of x, rounded to two decimal places, are?
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Algebra.Com's Answer #794470 by ikleyn(52781)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "After reading your post,  it is  UNCLEAR  to me,\r
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document.write( "    who do not have cavities: these 70 children or that x children ?\r\n" );
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\n" ); document.write( "\n" ); document.write( "You may answer me :   guess it on your own.\r
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\n" ); document.write( "\n" ); document.write( "But I don't want to guess:  It is  Math,  and I want to  KNOW  / (to see)  it from the text - not from the context.\r
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\n" ); document.write( "\n" ); document.write( "Honestly,  my position is this:\r
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document.write( "    If you are not able to formulate your problem accurately,\r\n" );
document.write( "    then there is no sense to solve it for you, because you do not understand the subject.\r\n" );
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