Probability Class 12 Applied Maths| Random Variables & Distribution |Part1 |CBSE 2026 27
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Probability Class 12 Applied Maths| Random Variables & Distribution |Part1 |CBSE 2026 27
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35 просмотров · 2 дня назад
Probability | Class 12 Applied Maths | Exercise 9.1 Part 1 | Batch 2026-27
We start Chapter 9, Probability, for Class 12 Applied Mathematics (Code 241) and cover the first part of Exercise 9.1: random variables and probability distribution.
IN THIS VIDEO
• Weightage of Probability in the board exam (Unit IV: Probability Distributions, 10 marks out of 80)
• Random variable, discrete vs continuous
• Probability distribution and its two conditions: 0 ≤ P ≤ 1 and ΣP = 1
• Type A: Is it a valid probability distribution?
• Type B: Finding the unknown constant (k, a, p) using ΣP = 1
• Textbook Examples 1 to 5 and Exercise 9.1 Q1, Q2, Q3
NEXT VIDEO (Part 2): Type C questions of Exercise 9.1 (coins, dice and games).
TIMESTAMPS
00:00 Introduction
01:12 Weightage of Probability
01:50 Random variable
03:30 Discrete vs continuous
04:17 Probability distribution and its conditions
06:50 Words into symbols (at least, at most, exactly)
08:16 Type A: Valid distribution? (Example 1)
09:25 Type B: Find k (Example 2)
12:40 Example 3
17:07 Example 4
20:25 Example 5
24:20 Ex 9.1 Q1
25:05 Ex 9.1 Q2
26:30 Ex 9.1 Q3
28:37 What's next
NOTES + SOLUTIONS PDF (Exercise 9.1, Part 1 and Part 2): https://drive.google.com/file/d/1iJIt...
Textbook: Applied Mathematics XII, Chapter 9 Probability
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