Mathematics 0580 · IGCSE · Introduction to probability

Introduction to probability — practice question

Priyanka takes part in a game that can end in a win, lose or draw. The table lists the probabilities for winning and losing a game. Outcome of game: win, lose, draw. Probability: win 0.3, lose 0.25, draw blank.
(a)[2]

Fill in the table.

(b)[1]

Priyanka plays this game 120 times. Work out how many games she is expected to win.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: $1-(0.3+0.25)$

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI