StudyWithSmile — free flashcards, quizzes and exam practice for school students

Probability

Mathematics · CBSE Class 10 · English Medium · 20 questions and answers

Sample questions

Q: Write the definition of the (theoretical) probability of an event E.

A: P(E)=\dfrac{\text{number of favourable outcomes}}{\text{total number of equally likely outcomes}}.

Q: What is the range of values a probability can take?

A: 0\le P(E)\le1.

Q: What is the probability of a sure (certain) event?

A: 1.

Q: What is the probability of an impossible event?

A: 0.

Q: What is the relation between P(E) and P(\text{not }E)?

A: P(E)+P(\text{not }E)=1, so P(\text{not }E)=1-P(E).

Sign in free to study all 20 questions with flashcards, quizzes and spaced revision.