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Fair or Unfair

1. Complete the table. Find out whether the game is fair or unfair.

Example
Ricky (R) and Jessica (J) take turns to spin a spinner. Ricky wins if the pointer
lands on a 1 and Jessica wins if the pointer lands on a 2. Find out whether this
game is fair.

12 Number Spun 1 12
1 Winner ( Fair , Unfair )

a. Ann (A) and Kate (K) take turns to roll a die. Ann wins if she rolls a 1, 2, or 3.
Kate wins if she rolls a 4, 5, or 6. Find out whether this game is fair.

Number rolled 1 2 3 4 5 6
Winner

( Fair , Unfair )

b. Thomas (T) and Ryan (R) take turns to take a marble out of a bag. Thomas
wins if he takes out a marble numbered 1. Ryan wins if he takes out a
marble numbered 2. Find out whether this game is fair.

Marble taken out 1 1 1 2 2

1 1 Winner
1 2
( Fair , Unfair )
2
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