A survey of 50 students of a computer class gave the following data: 26 know PASCAL, 18 know FORTRAN, 30 know COBOL, 9 know both Pascal and FORTRAN, 16 know both Pascal and COBOL, 8 know both FORTRAN and COBOL, 43 know at least one of the three languages. 2. Find the number of ways in which a teacher can select a team of 3 students from the class to work on a group project such that 1 student from each category.(that is one from those who knows PASCAL one from those who knows FORTRAN and one from those who knows COBOL).

Question

A survey of 50 students of a computer class gave the following data:     26 know PASCAL,      18 know FORTRAN,      30 know COBOL,      9 know both Pascal and FORTRAN,      16 know both Pascal and COBOL,      8 know both FORTRAN and COBOL,      43 know at least one of the three languages. 2.	Find the number of ways in which a teacher can select a team of 3 students from the class to work on a group project such that 1 student from each category.(that is one from those who knows PASCAL one from those who knows FORTRAN and one from those who knows COBOL).

anonymous · Answer

anyone help

loser66 · Answer

@dan815 come here to practice Venn dan

loser66 · Answer

I solved it yesterday. Now I knew the answer, your turn.

dan815 · Answer

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