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Popular Questions
- An urn contains 8 red ans white balls. three balls are drawn at random
- Three of six vertices of a regular hexagon are chosen at random. The probability that the triangle with three vertices is equilate..
- Ram is visiting a friend. Ram knows that his friend has 2 children and 1 of them is a boy. Assuming that a child is equally likely..
- if x1, x2 ...xn are n observations such
- A problem of mathematics is given to three students whose chances of solving the problem are 1/3, 1/4 and 1/5 respectively
- if x1, x2 ..x18 are observation such that
- A die is rolled three times. the probability that the sum of
- A bag contains 4 red and 6 black balls. A ball is
- Out of a total of 600 bolts, 20% are too large and 10% are too small. The remaining are considered to be suitable
- Three numbers are chosen. at random without
- let a and b two non - null events such that a b. then,
- A bag contains 3 white and 5 black balls, One ball is drawn at random. Then, the probability that it is white, is
- A four - digit number is formed by the digits 1, 2, 3, 4 with no repetition. The probability that the number is odd, is
- For the married couple living in jammu, the probability that a husband will vote in an election is
- Consider the circuit, if the probability that each switch is closed is P, then find the probability of current flowing through AB
- If the standard deviation of 3, 8, 6, 10, 12, 9, 11, 10, 12, 7 is 2.71, then the standard deviation of 30, 80, 60, 100, 120, 90, 1..
- A die is rolled three times. The probability of getting a larger number than the previous number each time is
- A person draws a card from a pack of playing cards
- Probability of product of a perfect square when two dice are thrown together is
- The probability of getting head and tail alternately in three throws of coin
- A box contain 15 green and 10 yellow balls
- Let S be the sample space of the random experiment of throwing simultaneously two unbiased dice with. six faces
- an urn contains 5 red and 2 green balls, a ball is drawn at random from the run.
- in a class of 60 students, 40 opted for NCC, 30 opted NES and 20 opted both NCC and NSS.
- A coin is tossed and a die is rolled
- The books contains 1000 pages numbered consecutively
- There are 4 envelopes with addresses and 4 concerning letters
- in a game, a man wins rs. 100 if he gets 5 or 6 on a throw of a fair die and loses
- From a pack of 52 cards, two cards are drawn one by one without replacement
- Two decks of playing cards are well shuffled and 26 cards are randomly distributed to a player
- If two numbers p and q are chosen randomly from the set
- 4 boys and 2 girls occupy seats in a row at random. Then, the probability that the two girls occupy seats side by side is
- Probability of throwing 16 in one throw with three dice is
- In a single throw of two dice, the probability of obtaining a total of 7 or 9, iw
- each of a and b can take values 1 or 2 with equal probability
- A committee of five is to be chosen from a group of 9 people. The probability that a certain married couple will either serve toge..
- Assume that each born child is equally likely to be a body or a girl.
- An urn contains 8 red and 5 white balls. Three balls are drawn at random. Then, the probability that balls of both colours are dra..
- The mean of a set of 30 observations is 75.
- A number is chosen at random among the first 120 natural numbers
