Question

PROBABILTY

1. A coin is tossed twice. Find the probability of getting:

(i) Exactly one head

(ii) Exactly one tail

(iii) Two tails

(iv) Two heads

(v) Atleast one head

(vi) Both heads or both tails. [6]

2. Three identicals coins are tossed together. What is the

probability of obtaining:

(i) All heads

(ii) Exactly two heads

(iii) Exactly one head

(iv) No head. [4]

3. Two dice are thrown at the same time .Find the probability

that the sum of the two numbers appearing on the top of dice

is :

(i) 0

(ii) 12

(iii) Less than 12

(iv) Less than or equal to 12. [4]

4. A bag contains 3 white , 5 black and 2 red balls , all of the

same size. A ball is drawn from the bag without looking in to it

, find the probability that the ball drawn is :

(i) A white ball

(ii) A red ball

(iii) Not a red ball

(iv) Not a black ball.​

Answer 1

Answer:

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Step-by-step explanation:

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