Venn Diagram
There are 50 students in a 5th form class, all students study a science, either biology, chemistry or physics. 23 study phsics,27 study biology, 34 study chemistry, 12 study physics and biology, 14 study physics and chemistry, 17 study chemistry and biology,9 study all 3 subjects. Part a) Draw a carefully labelled diagram to represent the data. Part b) Determine the number of students who study at least 2 subjects. Part c) Find the number of students who study physics and chemistry only. Part d) State the number of students who study bilogy only.

Question

Venn Diagram
There are 50 students in a 5th form class, all students study a science, either biology, chemistry or physics. 23 study phsics,27 study biology, 34 study chemistry, 12 study physics and biology, 14 study physics and chemistry, 17 study chemistry and biology,9 study all 3 subjects. Part a) Draw a carefully labelled diagram to represent the data. Part b) Determine the number of students who study at least 2 subjects. Part c) Find the number of students who study physics and chemistry only. Part d) State the number of students who study bilogy only.

anonymous · Answer

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loser66 · Answer

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Do you know why 9 there?

anonymous · Answer

Because 9 students study all 3 subjects.

anonymous · Answer

Idk thats where I was stuck. Hold on let me try again I dont think my answer is right.

loser66 · Answer

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sorry for previous post