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QUESTION: 1

When X is a continues function f(x)is called

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QUESTION: 2

Which of the following set of function define a probability space on S = a_{1}, a_{2}, a_{3}

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QUESTION: 3

If P (a_{1})= 0, P(a_{2})= 1/3, P (a_{3)} = 2/3 then S = a_{1}, a_{2}, a_{3} is a probability space

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QUESTION: 4

If two events are independent then

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QUESTION: 5

When expected value is negative the result is

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QUESTION: 6

The expected value of X, the sum of the scores, when two dice are rolled is

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QUESTION: 7

Let A and B be the events with P(A)= 1/_{3,} P(B) = ¼ and P(AB)= 1/_{12} then P(A/_{B}) is equal to

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QUESTION: 8

Let A and B be the events with P(A)= 2/_{3}, P(B)= ¼ and P(AB)= 1/_{12} then P(B/_{A}) is equal to

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QUESTION: 9

The odds in favour of one student passing a test are 3:7.The odds against another student passing at are 3:5.The probability that both pass is

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QUESTION: 10

The odds in favour of one student passing a test are 3:7.The odds against another student passing at are 3:5. The probability that both fail is

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QUESTION: 11

In formula P(B/_{A}), P(_{A}) is

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QUESTION: 12

Two events A and B are mutually exclusive means they are

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QUESTION: 13

A bag contains 10 white and 10 black balls A ball is drawn from it. The probability that it will be white is

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QUESTION: 14

Two dice are thrown at a time. The probability that the nos shown are equal is

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QUESTION: 15

Two dice are thrown at a time. The probability that ‘the difference of nos shown is 1’ is

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QUESTION: 16

Two dice are thrown together. The probability that ‘the event the difference of nos shown is 2’ is

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QUESTION: 17

The probability space in tossing two coins is

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QUESTION: 18

The probability of drawing a white ball from a bag containing 3 white and 8 balls is

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QUESTION: 19

Two dice are thrown together. The probability of the event that the sum of nos. shown is greater than 5 is

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QUESTION: 20

A traffic census show that out of 1000 vehicles passing a junction point on a highway 600 turned to the right. The probability of an automobile turning the right is

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QUESTION: 21

Three coins are tossed together. The probability of getting three tails is

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QUESTION: 22

Three coins are tossed together.The probability of getting exactly two heads is

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QUESTION: 23

Three coins are tossed together. The probability of getting at least two heads is

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QUESTION: 24

if 4 coins are tossed. The probability that there are 2 heads is

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QUESTION: 25

If 4 coins are tossed. The chance that there should be two tails is

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QUESTION: 26

If A is an event and A^{C} its complementary event then

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QUESTION: 27

If P(A)= 3/8, P(B)= 1/3 and P(AB)= ¼ then P(A^{C}) is equal to

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QUESTION: 28

If P(A)= 3/8, P(B)= 1/3 then P(A) is equal to

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QUESTION: 29

If P(A)= 3/8, P(B)= 1/3 and P(AB)= ¼ then P(A + B)is

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QUESTION: 30

If P(A)= 1/5, P(B)= 1/2 and A and B are mutually exclusive then P(AB) is

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QUESTION: 31

The probability of throwing more than 4 in a single throw from an ordinary die is

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QUESTION: 32

The probability that a card drawn at random from the pack of playing cards may be either a queen or an ace is

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QUESTION: 33

The chance of getting 7 or 11 in a throw of 2 dice is

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QUESTION: 34

If the probability of a horse A winning a race is 1/6 and the probability of a horse B winning the same race is 1/4 , what is the probability that one of the horses will win

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QUESTION: 35

If the probability of a horse A winning a race is 1/6 and the probability of a horse B winning the same race is 1/4 , What is the probability that none of them will win

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QUESTION: 36

If P (A)= 7/8 then(P(A^{C}) is equal to

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QUESTION: 37

The value of P(S) were S is the sample space is

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QUESTION: 38

A man can kill a bird once in three shots.The probabilities that a bird is not killed is

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QUESTION: 39

If on an average 9 shops out of 10 return safely to a port. The probability of one ship returns safely is

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QUESTION: 40

If on an average 9 shops out of 10 return safely to a port. The probability of one ship does not reach safely is

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