Foundation November 2019 Paper 2 Q22

OCRFoundationCurrent spec5 marksBasic ProbabilitySets

22 In a group of 100 students

  • 59 study History (H)
  • 62 study Geography (G)
  • 20 do not study either subject.
(a) Complete the Venn diagram.
Venn diagram with circles H and G inside a rectangle; the three regions inside the circles are blank and 20 is written outside the circles

[3]

(b) One of the 100 students is selected at random.

Find the probability that this student studies exactly one of the two subjects. [2]