Probability
What is the probability of an impossible event?
What is the probability of a sure (or certain) event?
For any event E, which of the following relations is true?
If P(E) = 0.05, what is the probability of 'not E'?
Which of the following cannot be the probability of an event?
A coin is tossed once. What is the probability of getting a head?
A die is thrown once. What is the probability of getting a prime number?
A die is thrown once. What is the probability of getting a number greater than 4?
What is the sum of the probabilities of all the elementary events of an experiment?
A box contains 3 red and 2 blue marbles. What is the probability of drawing a blue marble?
From a well-shuffled deck of 52 playing cards, what is the probability of drawing an ace?
What is the probability of getting an even number when a die is thrown once?
A box contains 5 red, 8 white, and 4 green marbles. One marble is taken out at random. What is the probability that it is not white?
From a well-shuffled deck of 52 cards, what is the probability of getting a red face card?
Two coins are tossed simultaneously. What is the probability of getting at least one head?
A bag contains 6 black and 4 white balls. One ball is drawn at random. What is the probability that it is a black ball?
What is the probability of a leap year having 53 Sundays?
If a number x is chosen from the numbers -2, -1, 0, 1, 2, what is the probability that x² ≤ 4?
A lot of 20 bulbs contains 4 defective ones. One bulb is drawn at random from the lot. What is the probability that this bulb is defective?