Class 9 Exam  >  Class 9 Notes  >  Lab Manuals for Class 9  >  Viva Voce: Probability of each Outcome or a Die

Viva Voce: Probability of each Outcome or a Die | Lab Manuals for Class 9 PDF Download

Q.1. How will you define the term trial?

A trial is an action which results in one or several outcomes.


Q.2. Does the sum of all the probabilities of all possible outcomes of an experiment more than 1?

No, it is equal to 1.


Q.3. What is the minimum probability of an event?

0


Q.4. What do you mean by favourable outcomes?

The outcomes which ensure the occurrence of an event are called favourable outcomes to the event.


Q.5. What is the probability of an impossible event?

0


Q.6. What do you understand by a compound event?

A collection of two or more elementary events associated with a random experiment is called compound event.


Q.7. What is the sum of probabilities of an event and probability of complement of an event?

1


Q.8. What are the name of scientists who worked on beginning of probability theory?

Pascal and Fermat.

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