Mathematics 0580 · IGCSE · Relative and expected frequencies

Relative and expected frequencies — practice question

Flo has a bag containing counters. She takes one counter at random from the bag. The chance that she chooses a green counter is 0.52.

(a)[1]

Work out the probability that she does not pick a green counter.

(b)[2]

Complete the table!

(c)[1]

Calculate the expected number of times a green counter is picked.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Answer: $0.48$” …