Classical (theoretical) probability of an eventPractice Questions & MCQs
Practice Classical (theoretical) probability of an event questions from Probability (Class 10 Maths) - important MCQs with answers and step-by-step solutions. Solve the sample questions below, then practice the full set free on the RankByte app.
Classical (theoretical) probability of an eventQuiz - Solve & Score
Q1. If the probability of an event E is 1/4, then P(not E) is:
- A.1/3
- B.1/4
- C.5/4
- D.3/4
Answer: D. 3/4
Q2. P(E) = 3/7; find P(E-bar):
- A.4/7
- B.10/7
- C.3/7
- D.3/4
Answer: A. 4/7
Given 3, 7, asked for find P(E-bar). By hence the required answer = 4/7. hence the required answer = 4/7. set up the relation specified by the stem (formula / theorem from the relevant Class-10 chapter) and substitute the listed numerical data. So option A) 4/7. Others fail: option B) '10/7' fails since This misreads the ratio condition; option C) '3/7' is incorrect: A common comparison error gives this.
Q3. If the probability of an event E is 5/12, then P(not E) is:
- A.7/12
- B.17/12
- C.5/12
- D.5/7
Answer: A. 7/12
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