document.write( "Question 1189617: In a class of 25 students, 80% are passing the class with a grade of C or better. If two students are randomly selected from the class, what is the probability that neither student is passing with a grade of C or better?
\n" ); document.write( "A)0.03 B)0.20 C)0.08 D)0.63 E)0.64 \n" ); document.write( "

Algebra.Com's Answer #821029 by ikleyn(52792) $\"\"$ $\"About$

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\n" ); document.write( " In a class of 25 students, 80% are passing the class with a grade of C or better.
\n" ); document.write( "If two students are randomly selected from the class, what is the probability
\n" ); document.write( "that neither student is passing with a grade of C or better?
\n" ); document.write( "A)0.03 B)0.20 C)0.08 D)0.63 E)0.64
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document.write( "80% of 25 is 20 students.\r\n" );
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document.write( "So, 20 students are passing the class with a grade of C or better,\r\n" );
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document.write( "and 5 students are passing the class with the lower grade.\r\n" );
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document.write( "Therefore, the probability under the problem's question is\r\n" );
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document.write( "    P =  =  = .    ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "The formula for P is SELF-EXPLANATORY.\r
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