Board game

This task is about the chance of something happening in a board game.
board-game-I.png
 
Ashlee and her friends are playing a board game.
  • Every time a player has a turn, they receive either a coin or a note.
  • The chances of receiving a note or a coin are the same.
  • There is no other way of receiving notes or coins.

Question

a)  If Ashlee has had 10 turns, circle the correct statement.

    • She will have received exactly 5 coins.

    • She could have received anywhere from 0 to 10 coins.

    • She must have received between 3 and 7 coins.

    • She cannot have received more than 8 coins.

    • She will have received exactly 10 coins.

Question

b)  If Ashlee has received 100 coins, circle the correct statement.

    • She has had 200 turns.

    • She has had between 180 and 220 turns.

    • She has had fewer than 250 turns.

    • She has had at least 160 turns.

    • You cannot tell how many turns she has had.

Question

c)  If Ashlee has had 50 turns, circle the correct statement.

    • She will have received exactly 25 notes.

    • She is as likely to have received 10 notes as she is to have received 20 notes.

    • She must have received at least 20 notes.

    • The most likely number of notes she will have received is 25.

    • She must have received between 21 and 29 notes.