document.write( "Question 1210444: Giving a test to a group of students, the grades and gender are summarized below
\n" ); document.write( "A B C Total
\n" ); document.write( "Male 10 7 13 30
\n" ); document.write( "Female 3 5 8 16
\n" ); document.write( "Total 13 12 21 46
\n" ); document.write( "Write all solutions as a decimals to the fourth. If one student is chosen at random,
\n" ); document.write( "Find the probability that the student was male:
\n" ); document.write( "ach
\n" ); document.write( "Find the probability that the student was male AND got a \"C\":
\n" ); document.write( "imate
\n" ); document.write( "Find the probability that the student was male OR got an \"C\":
\n" ); document.write( "If one student is chosen at random, find the probability that the student got a C' GIVEN they are male: \n" ); document.write( "

Algebra.Com's Answer #852596 by Edwin McCravy(20077) $\"\"$ $\"About$

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document.write( "Giving a test to a group of students, the grades and gender are summarized below\r\n" );
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document.write( "        A  B  C Total\r\n" );
document.write( "Male   10  7 13   30\r\n" );
document.write( "Female  3  5  8   16\r\n" );
document.write( "Total  13 12 21   46\r\n" );
document.write( "Write all solutions as a decimals to 4 places. If one student is chosen at \r\n" );
document.write( "random,\r\n" );
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document.write( "Find the probability that the student was male:\r\n" );
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document.write( "Number of male students = 30\r\n" );
document.write( "Total number of students = 46\r\n" );
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document.write( "P(Male) = 30/46 = 0.6522\r\n" );
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document.write( "Find the probability that the student was male AND got a \"C\":\r\n" );
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document.write( "P(Male and C) = 13/46 = 0.2826\r\n" );
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document.write( "Find the probability that the student was male OR got a \"C\":\r\n" );
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document.write( "P(Male OR C) = P(Male)+P(C)-P(Male AND C)\r\n" );
document.write( "P(Male OR C) = 30/46 + 21/46 - 13/46 = 38/46 = 0.8261\r\n" );
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document.write( "If one student is chosen at random, find the probability that the student got\r\n" );
document.write( "a C' GIVEN they are male.\r\n" );
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document.write( "P(C|Male) = P(C AND Male)/P(Male) = \r\n" );
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document.write( "Edwin

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