Chapter 15: Probability

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Science (Test Yourself)
Maths (Video Lessons in Assamese)
Class 10 : A Complete Package
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Q1. If P(E) = 0.05, then find the probability of ‘not E’

Ans: 0.95


Q2. Choose the correct answer:

If P(E) denotes the probability of an event E then
(a) P(E) < 0
(b) P(E) > 1
(c) 0 ≤ P(E) ≤ 1
(d) −1 ≤ P(E) ≤ 1

Ans: c


Q3. Fill in the blank:

If E represents an event, P(E) + P(E’) = __


Q4. What is the probability of a sure event?

Ans: 1


Q5. A bag contains 3 red balls and 5 black balls. A ball is drawn at random from the bag. What is the probability that the ball drawn is red?

Ans: 3/8


Q6. If the probability of winning a game is 9/11, what is the probability of losing?

Ans: 2/11

Q7. If a die is thrown once, what is the probability of getting 7?

Ans: 0



Chapter 15: Probability
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