PROBABILITY - CLASS XI

In a single throw of two dice, find the probability of getting a sum less than 6

• 1/18

• 3/18

• 5/18

• NONE OF THESE

A card is drawn at random from a well-shuffled deck of 52 cards. Find the

probability of its being a spade or a king.

• 4/13

• 3/13

• 5/13

• 6/13

If E1 and E2 are two events such that P(E1) = 0.5, P(E2) = 0.3 and

P(E1 and E2) = 0.1, find

P(neither E1 nor E2)

• 0.1

• 0.3

• 0.5

• 0.7

Let A and B be two mutually exclusive events of a random experiment such

that P(not A) = 0.65 and P(A or B) = 0.65, find P(B).

• 0.1

• 0.2

• 0.3

• 0.4

If A and B be two events associated with a random experiment such that

P(A) = 0.3, P(B) = 0.2 and P(A ∩ B) = 0.1, find

P(not A ∩ B)

• 0.1

• 0.3

• 0.5

• 0.4

Two dice are thrown together. What is the probability that the sum of the

numbers on the two faces is neither divisible by 3 nor by 4.

• 2/9

• 4/9

• 5/9

• NONE OF THESE