Practice – maths_general_Probability

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The probability of event A is 0.6 and of event B is 0.4. Which statement must be true? (Assume A and B are the only possible outcomes.)

Select the ONE best answer from the options panel.

P(A or B) = 1

P(A and B) = 1

P(A) = P(B)

P(neither A nor B) = 0.2