Experiment and random experiment

Distinguish between Young's experiment and Bi prism experiment

Define "Event" of a random experiment.

What is Random experiment?

What is Random experiment?

If A and B are two events in a random experiment, then P(AbigcupB)=P(A)+P(B)- ........

If A is an event of a random experiment such that P(A) : P(barA) = 7:12 then find P(A).

If A and B are two events in a random experiment, then P(A)+P(B)-P(AbigcapB) =......

Let E, overlineE , be the complimentary events, in a random experiment , then which of the following is true?

If A,B,C are three events in a random experiment, Prove the following. P((A)/(A))=1

What is sum of the probablities of all the possible events of a random experiment ?