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Popular Questions
- A person draws a card from a pack of playing cards
- A coin is tossed and a die is rolled
- A person throws two fair dice. he wins Rs. 15 for throwing a doublet
- Cards are drawn one by one without replacement from a well shuffled pack of 52 cards
- Consider the circuit, if the probability that each switch is closed is P, then find the probability of current flowing through AB
- each of a and b can take values 1 or 2 with equal probability
- From a pack of 52 cards, two cards are drawn one by one without replacement
- There are 4 envelopes with addresses and 4 concerning letters
- Probability of product of a perfect square when two dice are thrown together is
- For the married couple living in jammu, the probability that a husband will vote in an election is
- A box containing 4 white pens and 2 black pens
- Two card are given successively with replacement from a pack of 52 cards
- A number is chosen at random among the first 120 natural numbers
- 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
- let a and b two non - null events such that a b. then,
- A die is rolled three times. The probability of getting a larger number than the previous number each time 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
- If two numbers p and q are chosen randomly from the set
- The books contains 1000 pages numbered consecutively
- Two decks of playing cards are well shuffled and 26 cards are randomly distributed to a player
- 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..
- From a group of 8 boys and 3 girls, a committee of 5 members to be formed. Find the probability that 2 particular girls are includ..
- Three of six vertices of a regular hexagon are chosen at random. The probability that the triangle with three vertices is equilate..
- Two decks of playing cards are well shuffled and 26 cards are randomly distributed to a player. Then, the probability that the pla..
- A bag contains 3 white and 5 black balls, One ball is drawn at random. Then, the probability that it is white, is
- Let S be the sample space of the random experiment of throwing simultaneously two unbiased dice with. six faces
- Three letters, to each of which corresponds an envelope, are placed in the envelopes at random. The probability that all the lette..
- If the values of regression coefficients are - 0.33 and -1.33 then the value of coefficient of correlation between the two variabl..
- 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
- out of 3n consecutive natural numbers, 3 natural numbers are chosen at random without replacement. The probability that the sum of..
- A determinant of second order is made with the elements 0 and 1. What is the probability that the determinant is positive ?
- The odds against a certain event are 5 : 2 and the odds in favour of another independent event are 6 : 5. The probability that atl..
- A scientist is weighing each of 30 fishes. Their mean weight worked out is 30 g and a standard deviation is 2 g. Later, it was fou..
- 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..
- an urn contains 5 red and 2 green balls, a ball is drawn at random from the run.
- Three houses are available in a locality. Three persons apply for the houses. Each applies for one house without consulting others..
- Let A = {1,3,5,7,9}, B = {2,4,6,8}, if a cartesian product A*B choosen at random, the probability of a + b = 9 is
- In a class, there are 10 boys and 8 girls. When 3 students are selected at random, the probability that 2 girls and 1 boy are sele..
- in a class of 60 students, 40 opted for NCC, 30 opted NES and 20 opted both NCC and NSS.
