What is probability?

What is the probability of an impossible event?

What is the probability of a sure event?

What is the probability of the sun setting tomorrow?

1.What is the probability of occurrence of an event?

What is the probability that the male progeny will be a boy?

Choose an alphabet at random from A to F. What is the probability of each outcome? What is the probability that the alphabet chosen is formed with three straight lines? What is the probability that the alphabet chosen is formed with curved lines?

The probability of failure is 0.25%. What is the probability of success ?

The probability that it will rain today is 0.75. What is the probability that it will not rain today?

It is given that the probability of winning a game is 0.7 . What is the probability of losing the game ?