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2. A school is organising a raffle where there are 10 tickets, and only one ticket is a winner. Each student gets one ticket.
What is the probability that a specific student wins the raffle?
Ans. Number of Favourable Outcomes = 1 (the winning ticket)
Total Number of Possible Outcomes = 10 (total tickets)
1
Probability P(A) = = 0.1 or 10%.
10
Assertion and Reasoning Question:
Direction: Question 3, consist of two statements – Assertion (A) and Reasoning (R). Answer these questions selecting
the appropriate option given below:
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true
3. Assertion (A): Increasing the sample size generally leads to a more accurate estimation of probabilities.
Reasoning (R): Larger sample sizes reduce the impact of random variability, leading to more stable and reliable
probability estimates.
Ans. a
Unsolved Questions
SECTION A (Objective Type Questions)
uiz
A. Tick ( ) the correct option.
1. ……….……................ are used in concepts like expert systems, database systems and knowledge graphs.
a. Math b. Logic and set theory
c. Graph theory d. Calculus
2. In an ……….……................ event, there’s no chance of an event happening.
a. unlikely b. certain
c. impossible d. likely
3. If an event will never happen or is impossible, it will have a probability of ……….……................ .
a. 1 b. 0
c. >1 d. <1
4. If you throw an arrow to this pie chart, in which colour is the arrow more likely to fall on? [CBSE Handbook]
a. Red b. Blue
c. Orange d. Green
5. If you select a balloon from a bag having equal number of red, green and yellow balloons, how
likely is it that you pick up a blue balloon? [CBSE Handbook]
a. Probable b. Certain
c. Unlikely d. Impossible
314 Touchpad Artificial Intelligence (Ver. 3.0)-IX

