Practice — what type is this question? (Probability)

In a class of 40 learners, 18 take Geography (G), 15 take History (H), and 6 take both. Draw a Venn diagram to represent this information, and calculate the probability that a learner chosen at random takes NEITHER subject.

Practice question — not sourced from a past paper.

8.2.1 Events A and B are such that P(A) = 0,4, P(B) = 0,3 and P(A or B) = 0,58. Determine, with reasons, whether events A and B are mutually exclusive.

Source: DBE Mathematics Paper 1, Grade 11, November 2017, Question 8.2.1

8.2.2 Events A and B are such that P(A) = 0,4, P(B) = 0,3 and P(A or B) = 0,58. Determine, with reasons, whether events A and B are independent.

Source: DBE Mathematics Paper 1, Grade 11, November 2017, Question 8.2.2

8.1 A bag contains 3 blue marbles and 2 red marbles. A marble is drawn, the colour is noted, and then put aside. A second marble is then drawn. 8.1.2 Calculate the probability of drawing first a red marble and then a blue marble, in that order.

Source: DBE Mathematics Paper 1, Grade 11, November 2017, Question 8.1