Mathematics 4024 · O Level · Probability of combined events
Probability of combined events — practice question
A student must choose one humanities subject and two different science subjects. Humanities: Geography (G), History (H), Religious studies (R). Science: Physics (P), Chemistry (C), Biology (B).
(a)[2]
Complete the table so that the possible outcomes are displayed.
(b(i))[1]
Find the probability that he selects Geography.
(b(ii))[1]
Find the probability that he selects Physics.
(b(iii))[1]
Find the probability that he selects both Religious studies and Chemistry.
Worked solution & mark scheme
This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Writes GCB, HPC, HPB, HCB, RPC, RPB, RCB correctly” …