Q4 of 14 Page 15

A die is thrown once. Find the probability of getting
(i) an even number
(ii) a number greater than 3
(iii) a number between 3 and 6

A die is thrown once.
(i) An even number
Number of possible outcomes = 6 [i.e 1, 2, 3, 4, 5, 6]    
Number of favorable outcomes = 3 [i.e 2, 4, 6]
∴ P(Getting a even number) =

(ii) A number greater than 3
Number of possible outcomes = 6 [i.e 1, 2, 3, 4, 5, 6]
Number of favorable outcomes = 3 [i.e 4, 5, 6]
∴ P(Getting a number greater than 3) =

(iii) A number between 3 and 6    
Number of possible outcomes = 6 [i.e 1, 2, 3, 4, 5, 6]    
Number of favorable outcomes = 2 [i.e 4, 5]
P( Getting a number between 3 and 6) =

More from this chapter

All 14 →
2 One card is drawn from a well-shuffled deck of 52 cards. Find the probability of drawing:
(i) an ace.
(ii) `2' of spades.
(iii) `10' of a black suit 3 17 cards numbered 1, 2, 3, ..., 16, 17 are put in a box and mixed thoroughly. One person draws a card from the box. Find the probability that the number on the card is         
(i) odd.                       
(ii) a prime              
(iii) divisible by 3     
(iv) divisible by 3 and 2 both 5 A bag contains 5 red balls and some blue balls. If the probability of drawing a blue ball is double that of a red ball, find the number of blue balls in the bag. 6 A bag contains 12 balls out of which x are white.
(i) If one ball is drawn at random, what is the probability that it will be a white ball?
(ii) If 6 more white balls are put in the bag, the probability of drawing a white ball will be double than that in (I case). Find x.