CBSE-CLASS-XII SERIES
Applied-mathematics

Probability Distribution

8 previous year questions.

Volume: 8 Ques
Yield: Medium

High-Yield Trend

8
2024

Chapter Questions
8 MCQs

01
PYQ 2024
medium
applied-mathematics ID: cbse-cla
Find the value of .
02
PYQ 2024
easy
applied-mathematics ID: cbse-cla

Questions number 19 and 20 are Assertion and Reason-based questions. Two statements are given, one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer from the codes (A), (B), (C), and (D) as given below.

(A) Both Assertion (A) and Reason (R) are true, and Reason (R) is the correct explanation of the Assertion (A).
(B) Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
(C) Assertion (A) is true, but Reason (R) is false.
(D) Assertion (A) is false, but Reason (R) is true.

03
PYQ 2024
medium
applied-mathematics ID: cbse-cla

Using flat rate method, the EMI to repay a loan of ₹ 20,000 in years at an interest rate of 8% p.a. is:

1
₹ 700
2
₹ 800
3
₹ 900
4
₹ 1000
04
PYQ 2024
medium
applied-mathematics ID: cbse-cla
For the given values 23, 32, 40, 47, 58, 38, 42; the 5-yearly moving averages are:
1

2

3

4

05
PYQ 2024
medium
applied-mathematics ID: cbse-cla
If the calculated value of (critical value of ), then the null hypothesis:
1
is rejected.
2
is accepted.
3
is neither accepted nor rejected.
4
cannot be determined.
06
PYQ 2024
medium
applied-mathematics ID: cbse-cla
A fair coin is tossed twice and outcomes are noted. If the random variable represents the number of heads that appeared in the experiment, then the mathematical expectation of is:
1

2

3

4

07
PYQ 2024
medium
applied-mathematics ID: cbse-cla
In a 1 km race, player P beats player Q by 18 metres or 9 seconds. What is P's time to complete the race?
1
512 seconds
2
502 seconds
3
491 seconds
4
481 seconds
08
PYQ 2024
easy
applied-mathematics ID: cbse-cla

When observed over a long period of time, a time series data can predict trends that can forecast increase, decrease, or stagnation of a variable under consideration. The table below shows the sale of an item in a district during 1996–2001: