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Formula Sheet

Probability — Formula Sheet

ICSE · Class 10 · Mathematics

6 formulas from Probability (ICSE Class 10 Mathematics) on one page, grouped by topic. Part of the ICSE Class 10 Mathematics syllabus.

32 questions24 flashcards6 formulas & key relations5 concepts

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A Venn diagram showing a sample space (S) and an event (A), with the region outside A but within S shaded to represent the complementary event (A').
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6 Entries · 3 Sections

Formulas and Key Relations

Sample Space and Counting Outcomes

n(S) = (number of outcomes per trial)^(number of trials)

Probability Formula and Standard Results

Probability of an event = Number of favourable cases / Total number of cases

P(E)+P(not E)=1

P(E)=P1+P2+P3+...+Pn

For 3 coin tosses, n(S) = 8.

For 2 dice, n(S) = 36.

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Frequently Asked Questions

What are the important topics in Probability for ICSE Class 10 Mathematics?
Key topics in Probability include Basic Ideas: Experiment, Sample Space, and Event, Simple Events and Examples, Playing Cards and Equally Likely Events, Probability of an Event. Study these first, then practise questions on each for the ICSE Class 10 board exam.
How many formulas are in Probability?
This sheet lists 6 formulas from Probability, grouped by topic. Learn what each symbol stands for so you can apply the formula, not just recall it.
How should I revise Probability for the ICSE Class 10 board exam?
Learn the core ideas first, then work through the 32 practice questions on Probability. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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All ICSE Class 10 Mathematics Formula Sheet

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