document.write( "Question 1044378: h) In a Mathematics course, the students are required to complete four projects. If there
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document.write( " are ten different projects to choose from, how many ways can a student choose the
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document.write( " four projects\r
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document.write( "i) if there are no restrictions? ii) if two of the projects are compulsory for all students? \n" );
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Algebra.Com's Answer #659661 by jorel555(1290)![]() ![]() ![]() You can put this solution on YOUR website! i) 10 different projects chosen 4 at a time is 10 choose 4, or 10!/4!6!, or 210 possible selections \n" ); document.write( "ii)If 2 projects are compulsory, the you have 8 choose 2, or 8!/2!6!, which is or 28 possible combinations. ☺☺☺☺ \n" ); document.write( " |