Page 169 - TB_6B

Activity 1 Fair or Unfair

1 . In probability, events are fair when outcomes are equally likely to

happen. Events are unfair when one outcome is more likely to happen
than another. Explain whether each game is fair or unfair.

a. Jessica and Ryan take turns to b. Kate and Ann take turns to pull
toss a coin. Jessica wins if she out a rod. Kate wins if a red rod
gets heads. Ryan wins if he gets is pulled out. Ann wins if a white
tails. rod is pulled out.

Fair UnfairFair Unfair

c. Thomas, Ann, and d. Ann and Thomas play rock-
Kate take turns to paper-scissors to decide who the
spin a color. winner is.
Thomas wins if the pointer lands
on red. Ann wins if the pointer
lands on blue. Kate wins if the
pointer lands on yellow.

Fair UnfairFair Unfair

e. Ricky and Jessica take turns to f. Thomas and Jessica
roll a die. Ricky wins if the take turns to pull
outcome is 2, 4, or 6. Jessica out a marble.
wins if the outcome is 1, 3, or 5. Thomas wins if a
red marble is pulled out. Jessica
Fair UnfairFair Unfair wins if a yellow marble is pulled
out.

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