Popular Questions
- The probability of choosing randomly a number c from the set {l, 2, 3, ... , 9} such that the quadratic equation x^2 + 4x + c = 0 ..
- 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..
- 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..
- Three houses are available in a locality. Three persons apply for the houses. Each applies for one house without consulting others..
- Three houses are available in a locality. Three persons apply for the houses. Each applies for one house without consulting others..
- 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..
- an urn contains 5 red and 2 green balls, a ball is drawn at random from the run.
- An unbiased coin is tossed. if the outcome is a head then a pair of unbiased dice is rolled and the sum of the numbers
- if the probability of hitting a target by a shooter, in any shot,
- two integers are selected at random from the set
- Let S = {1,2............,20}. a subset b of s said to be nice if then sum of the elements
- in a random experiment, a fair die is rolled until two fours are obtained in succession
- in a game, a man wins rs. 100 if he gets 5 or 6 on a throw of a fair die and loses
- in a class of 60 students, 40 opted for NCC, 30 opted NES and 20 opted both NCC and NSS.
- let a and b two non - null events such that a b. then,
- the minimum number of times onehas to toss fair coin so that the probability of observing
- Assume that each born child is equally likely to be a body or a girl.
- if there of the vertices of a regular hexagon are chosen at random,
- let a random variables x have a binomial distribution with mean
- for an initial screening of an admission, test, a candidate is given fifty
- A person throws two fair dice. he wins Rs. 15 for throwing a doublet
- with the usual notations, in triangle ABC, IF < A +
- One ticket is selected at random from 50 tickets
- In the binomial distribution
- An urn contains nine balls of which three are red
- Four numbers are chosen at random from the set
- If c and d are two events such that
- Consider 5 independent Bernoulis trials each with perpendicular
- Let a, b and c be pairwise independent events
- Three numbers are chosen. at random without
- A multiple choice examination has 5 question
- Let A and b be two events such that
- Let two fair six faced does a and b be thrown
- A box contain 15 green and 10 yellow balls
- If two different numbers are taken from the
- From three events a b and c
- A bag contains 4 red and 6 black balls. A ball is
- Let a b and c be three events which are pair wise
- Two different families a and b are blessed with
