Rolling dice and conditional probability

Task number: 3542

Vašek has made three rolls of a regular 6-sided die. The sum of his rolls equals \(7\).

  • Variant

    Is it more probable that his first roll was a one or a two?

  • Variant

    What is the probability that his first roll was a two?

Difficulty level: Easy task (using definitions and simple reasoning)
Reasoning task
Cs translation
Send comment on task by email