A person writes 4 letters and addresses 4 envelopes . If the letters are placed

The probability that A speaks truth is , 5/4 while the probability for B is . 4/

Three houses are available in a locality. Three persons apply for the houses. Ea

A person throws two fair dice. He wins Rs. 15 for throwing a doublet (same numbe

If C and D are two events such that C C D and PD. not= 0, then the correct state

The probability of a man hitting a target is 2/5. He fires at the target k times

Let two fair six-faced dice A and B be thrown simultaneously. If E1 is the event

Let a random variable X have a binomial distribution with mean 8 and variance 4.

Two aeroplanes I and II bomb a target in succession. The probabilities of I and

A, B, C try to hit a target simultaneously but independently. Their respective p

Let A, B, C, be pairwise independent events with P (C) > 0 and P( A intersection

Three persons P, Q and R independently try to hit a target. If the probabilities

Let X be a set containing 10 elements and P(X) be its power set. If A and B are

Three numbers are chosen at random without replacement from (1,2,3,..8). The pro

Let A and E be any two events with positive probabilities: Statement - 1: P(E/A)

A bag contains 4 red and 6 black balls. A ball is drawn at random from the bag,

If the probability of hitting a target by a shooter, in any shot, is 1/3 then th

If A and B are any two events such that P(A) = 2/5 and P(A intersection B) = 3/2

A player X has a biased coin whose probability of showing heads is p and a playe

An unbiased coin is tossed eight times. The probability of obtaining at least on

A die is thrown two times and the sum of the scores appearing on the die is obse

The probability that a leap year will have 53 fridays or 53 saturdays

A speaks truth in 75% cases and B speaks truth in 80% cases. The probability tha

The probability of a student getting 1,2,3 division in an examination are 1/10,

Two numbers are chosen from (1,2,3,4,5,6) one after the other without replacemen

Let A and B be two events such that P(A)=0.6, P(B)=0.2 and P(A/B)=0.5, then P(A-

Let A and B are two events. If P(A)=0.2 p(B)=0.4, P(AUB)=0.6, then P(A/B) is equ

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The feasible region (shaded) for a L.P.P is shown in the figure. The maximum Z =

The corner points of the bounded feasible region of a LPP are A(0,50), B(20, 40)