The probability of happening an event A in one trial is 0.4. Find the probability that the event A happens at least one in three independent trials.

The probability of happening of an event is 3/5 . Find the probability of not happening the event.

The probability that an event does not happen in one trial is 0.8 The probability that the event happens atmost once in three trials is

The probability of happening of an event in a trial is 0.5. The probability of happening of the event atlest once if the experiment is repeated 3 times is

If the probability of happening of an event A is 0.46. What will be the probability of not happening of the event A ?

Probability of happening of an event in an experiment is 0.4 . The probability of happening of the event atleast once , if the experiment is repeated 3 times under similar condition is

The probability of an event that is sure to happen, is .....

Find the probability of getting at least one head in three throws of a coin.

The probability of an event that is sure to happen, is_____

The probability of the occurrence of an event is 3/10 . Find the probability of non-occurrence of the event.

The probability of the non-occurrence of an event is 2/7 . Find the probability of the occurrence of the event.