Aptitude - Probability - Discussion
Discussion Forum : Probability - General Questions (Q.No. 8)
8.
In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting a prize?
Answer: Option
Explanation:
P (getting a prize) = | 10 | = | 10 | = | 2 | . |
(10 + 25) | 35 | 7 |
Discussion:
25 comments Page 3 of 3.
Abiti said:
3 months ago
Thank you everyone for explaining the answer.
(2)
Priya said:
9 years ago
Total will be 35 as 10 prizes + 25 blanks.
Arumugam said:
1 decade ago
n(s)=35c1
n(e)=10c1
ans=10/35=2/7.
n(e)=10c1
ans=10/35=2/7.
Mohith Valmiki said:
1 month ago
25+ 10 = 35,
10C1/35C1 = 2/7.
10C1/35C1 = 2/7.
(1)
Abhijeet said:
1 decade ago
I can't understand concept.
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