Age 11 to 14 Challenge Level:
In the UK, lottery players choose
six different numbers between 1 and 49. When the lottery draw takes
place, 49 coloured balls numbered from 1 to 49 are placed in a
machine and spun round, and then six balls are released at random.
Any player who chose the six numbers picked by the machine wins
the jackpot prize. Other lotteries use similar systems,
perhaps with more or fewer numbers to choose from.
Can you think of examples
where future events are influenced by past
Can you think of examples where
future events are independent of past events?