
Probability Quiz
17 questions

Two balanced coins are tossed simultaneously. Write the sample space of this random experiment.
1 m

Two balanced dice are thrown where each dice has numbers 1 to 6 on the six sides. Write the sample space of this experiment.
1 m 27 s

Write the sample space of the random experiment of finding the number of defective items while testing the quality of 1000 items produced in a factory.
1 m

Write the sample space of a random experiment of randomly selecting any one number from the natural numbers.
1 m

For two events A and B in a sample space, A ∩ B = Ø and A ∪ B = U. State the values of P(A ∩ B) and P(A ∪ B).
1 m

If A = {x0 < x < 1} and B = {x 1/4 ≤ x ≤ 3} then find A ∩ B.
1 m

For two independent events A and B, P(A) = 0.5 and P(B) = 0.7. Find P (A' ∩ B').
1 m

If P(A) = 0.8 and P(A ∩ B) = 0.25, find P(A  B).
1 m

If P(A) = 0.3 and P(A ∩ B) = 0.03, find P(B/A).
1 m

If P(A) = P(B) = K for two mutually exclusive events A and B, find P(A ∪ B).
1 m

If P(A' ∩ B) = 0.45 and A ∩ B = Ø, find P(B).
1 m

Two events A and B in a sample space are mutually exclusive and exhaustive. If P(A) = 1/3, find P(B).
1 m

2% items in a lot are defective. What is the probability that an item randomly selected from this lot is nondefective?
1 m

State the number of sample points in the random experiment of tossing five balanced coins.
1 m

Write the sample space of random experiment of randomly selecting three numbers from the first four natural numbers.
1 m

State the number of sample points in the random experiment of tossing one balanced coin and two balanced dice simultaneously.
1 m

Is it possible that P(A) = 0.7 and P(A ∪ B) = 0.45 for two events A and B in a sample space?
1 m

Two cards are selected one by one with replacement from 52 cards. State the number of elements in the sample space of this random experiment.
1 m

For two independent events A and B, P(B/A) = 1/2 and P(A ∩ B) = 1/5. Find P(A).
1 m

1998 tickets out of 2000 tickets do not have a prize. If a person randomly selects one ticket from 2000 tickets then what is the probability that the ticket selected is eligible for prize?
1 m

Write the sample space for the marks (in integers) scored by a student appearing for an examination of 100 marks and state the number of sample points in it.
1 m

Write the sample space for randomly selecting one minister and one deputy minister from four persons.
1 m

Write the sample space for the experiment of randomly selecting three numbers from the first five natural numbers.
1 m

Chapter 1 Practice Material
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Statistics Important Theory
2.9 MB
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