Question

19. Case study based-3
Shivam sees a game in a fair. He is keenly interested to play it. He asks the rules of game form the owner. Owner
says that you will move this spinner first, if it stops on a prime number, then you are allowed to pick a marble from a
bag and bag has only white and black marbles. Prizes are given when a white marble is picked randomly.
Based on the above information, answer the following questions:
3
5
15
23, 5, 7, 9,
7
13
9
11
( What is the probability that Shivam will not be allowed to pick a marble from the bag?
(a)3/8
(b/5/8
(c)1/2 -
(d) 1
(10) What is the probability that Shivam will be allowed to pick a marble from a bag?
(a)3/8
(b)1/2
(c)5/8
(d)3/7
(1) The probability that Shivam will pick a black marble from the bag is:
(a)7/12
(b)5/12
(c)1/2
(d)2/3
(iv) The probability that Shivam will get a prize is:
(a)3/5
(b) 3/4
(c)5/12
(d) 7/12
(v) The probability that Shivam will pick a red marble from the bag is:
(b) 0
(c)5/12
(d) 7/12
​

Answer 1

Answer:

i) c.

ii) b.

iii) b.

iv) d.

v) b.