Probability

Can you crack these very difficult challenge ciphers? How might you systematise the cracking of unknown ciphers?

What is the chance this pea plant will look like its parents?

How could you compare different situation where something random happens ? What sort of things might be the same ? What might be different ?

How do different drug-testing regimes affect the risks and payoffs for an athlete who chooses to take drugs?

A problem about genetics and the transmission of disease.

A weekly challenge concerning combinatorical probability.

A man went to Monte Carlo to try and make his fortune. Is his strategy a winning one?

The four digits 5, 6, 7 and 8 are put at random in the spaces of the number : 3 _ 1 _ 4 _ 0 _ 9 2 Calculate the probability that the answer will be a multiple of 396.

By tossing a coin one of three princes is chosen to be the next King of Randomia. Does each prince have an equal chance of taking the throne?