Unit 8 · Class 10 IB MYP · Formula Sheet

Probability Distributions Formulas — Class 10 IB MYP

Explore discrete probability distributions, expected value, and introduction to normal distribution.

Key Formulas

Expected Value

E(X) = \sum x_i \cdot P(x_i)

Conditional Probability

P(A|B) = \dfrac{P(A \cap B)}{P(B)}

Independent Events

P(A \cap B) = P(A) \times P(B)

Complement

P(A') = 1 - P(A)

Worked Examples

1Using: Probability

A die is thrown. Find P(getting an even number).

Step 1: Even outcomes: {2, 4, 6} = 3.

Step 2: Total outcomes = 6.

Step 3: P = 3/6 = 1/2.

Answer: 1/2

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Frequently Asked Questions

How many formulas are in Class 10 IB MYP Probability Distributions?+
There are 4 formulas in the Probability Distributions chapter for Class 10 IB MYP. Each formula is essential for solving problems in this topic.
How to remember Probability Distributions formulas easily?+
Practice regularly with worked examples, group related formulas together, and use SparkEd's interactive practice mode to reinforce your memory through problem-solving.
Are these Probability Distributions formulas enough for exams?+
Yes, these formulas cover the complete IB MYP Class 10 syllabus for Probability Distributions. Practice applying them to different types of questions for full exam readiness.

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