ECZ 2022 · GCE Paper 2 · Question 6 — Probability
Question from ECZ 2022 · GCE Paper 2 · Question 6
(a) A bag contains 9 identical cards, 4 of which are Kuhanjika (K) cards, 3 Landa (L) cards and the rest are Bulela (B) cards. Two cards are selected at random from the bag one after the other and not replaced.
(a(i)) Draw a tree diagram to show all the possible outcomes.[2]
Verified working — step 1
9 cards: 4K, 3L, 2B, drawn WITHOUT replacement.(a(ii)) What is the probability that both cards selected are of the same type?[3]
Verified working — step 1
"Same type" is KK, LL or BB:(b) Study the following pseudocode. Construct a flowchart corresponding to the pseudocode above.[5]
Verified working — step 1
Translate each pseudocode line into one flowchart symbol.The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
Have a different question?
Search it — if it is from a past paper or a school mock, chances are we have it worked out, or one that uses the same method.
Search any past-paper question