document.write( "Question 471534:
\n" ); document.write( "the table shows the distribution of a group of 40 college students by gender and class:
\n" ); document.write( " sophomores juniors seniors \r
\n" ); document.write( "\n" ); document.write( "males 6 10 2
\n" ); document.write( "females 10 9 3\r
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\n" ); document.write( "\n" ); document.write( "if one student is randomly selected from this group ,find the probability that the student chosen is
\n" ); document.write( "(a) not a junior
\n" ); document.write( "(b) a female or a sophomore
\n" ); document.write( "(c) a male sophomore or a female senior
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Algebra.Com's Answer #323425 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( "         So  Jr  Sr  T
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document.write( "males    6  10  2  18
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document.write( "females 10   9  3  22
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document.write( "Total   16  19  5  40
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document.write( "ONe chose:
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document.write( " P(not a JR) = 21/40 
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document.write( " P(Female or So) = (22 + 16 - 10)/40 = 28/40 = 7/10
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document.write( " P( a male So or a female Sr) = (6 + 3)/40 = 9/40
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