2 out of 3
Can you work out the probability of winning the Mathsland National Lottery?
1 out of 3
Can you work out which spinners were used to generate the frequency charts?
1 out of 3
It is believed that weaker snooker players have a better chance of winning matches over eleven frames (i.e. first to win 6 frames) than they do over fifteen frames. Is this true?
1 out of 3
Two brothers belong to a club with 10 members. Four are selected for a match. Find the probability that both brothers are selected.
1 out of 3
Are these statistical statements sometimes, always or never true? Or it is impossible to say?
2 out of 3
Predict future weather using the probability that tomorrow is wet given today is wet and the probability that tomorrow is wet given that today is dry.
2 out of 3
Before a knockout tournament with 2^n players I pick two players. What is the probability that they have to play against each other at some point in the tournament?
3 out of 3
After transferring balls back and forth between two bags the probability of selecting a green ball from bag 2 is 3/5. How many green balls were in bag 2 at the outset?
3 out of 3
Given probabilities of taking paths in a graph from each node, use matrix multiplication to find the probability of going from one vertex to another in 2 stages, or 3, or 4 or even 100.
3 out of 3
In four years 2001 to 2004 Arsenal have been drawn against Chelsea in the FA cup and have beaten Chelsea every time. What was the probability of this? Lots of fractions in the calculations!
