document.write( "Question 854703: how do you work out this formula?
\n" ); document.write( "The following data are exam grades of 10 students in a maths class. If students who received at least 85% on this exam received a \"maths star\",what percentage of the students received a \"maths star\".\r
\n" ); document.write( "\n" ); document.write( "Interval Frequency
\n" ); document.write( "69-76 1
\n" ); document.write( "77-84 4
\n" ); document.write( "85-92 4
\n" ); document.write( "93-100 1 \n" ); document.write( "

Algebra.Com's Answer #514838 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "Interval     Frequency
\n" );
document.write( "69-76                 1
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document.write( "77-84                 4
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document.write( "85-92                 4
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document.write( "93-100                1
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document.write( " 5/10 0r 50%  received  ≥  85 on exam and received a \"maths star\", \n" );
document.write( "

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