Mathematics, 28.12.2019 02:31, Mw3spartan17

Show that the following data are inconsistent: ‘of a group of 50 students, 23 take mathematics, 14 take chemistry and 17 take physics. 5 take mathematics and physics, 3 take mathematics and chemistry and 7 take chemistry and physics. twelve students take none of mathematics, chemistry and physics’. [hint: see the last example of the section.]

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Show that the following data are inconsistent: ‘of a group of 50 students, 23 take mathematics, 14...