Practice Key Terms In Probability (8.2) - Probability - CBSE 9 AI (Artificial Intelligence)

Practise this section

10 questions

Flashcard drill
5 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
4 questions · about 3 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is meant by 'outcome' in a probability experiment?
Show hintHide hint
Think about what you see after performing the experiment.
Question 2.
Define a sample space.
Show hintHide hint
It includes every possible result.
3Question 3.
What is an experiment in probability?
- An action producing outcomes
- A type of outcome
- The full set of outcomes
Show hintHide hint
Think about what you do to get the results.
4Question 4.
True or False: A trial is one repetition of an experiment.
- True
- False
Show hintHide hint
Consider how many times the experiment is repeated.
Question 5.
A bag contains 5 red balls and 3 blue balls. If you randomly select a ball, define the sample space and identify an event of interest (like picking a red ball).
Show hintHide hint
List possibilities first, then isolate your specific interest.
Question 6.
After flipping a coin four times, what constitutes the sample space, and how would you define an event such as 'getting at least one head'?
Show hintHide hint
First calculate all combinations for your sample space.

6 more questions in this section. Enroll free to practise them all.