Skip to content

H2 Maths Tuition

Face to Face or Online

H2 maths tuition
Contact
Schedule
About me
Gallery
FAQ
Recommended Tutors
Tips & Challenges
Miscel
Directions

Search for:

Categories

1. H2 maths tips (9758) (118)
- APGP (2)
- Binomial expansion (4)
- Calculus (10)
- Challenging questions (43)
- Complex numbers (5)
- Discrete Random Variables (2)
- Exam matters (8)
- Functions (11)
- Graphing and Transformation (17)
- Inequalities (8)
- Maclaurin's series (4)
- Miscel (2)
- Permutation and Combinations (9)
- Preliminaries (6)
- Probability (5)
- Recommended H2 materials (2)
- Sequences & Series (4)
- Statistics (7)
- Study tips (5)
- System of linear equations (2)
- TI 84 Plus techniques (16)
- Vectors (7)

Fresh tips

Good 2021 prelim to do and difficulty rating
Good 2020 prelim to do and difficulty rating
Value added by tuition: A better way to gauge
H1 or H2 maths?
Good 2019 prelim to do
Finding range of composite functions using GC
Reflection of line about line
Common error in area of periodic functions
How to prepare for H2 maths from 2019 onwards
How to sketch both cartesian and parametric graphs on the same diagram using GC

Join us on facebook

Join us on facebook

Follow H2 Maths Tuition on WordPress.com

Using GC to calculate Expectation and Variance of Discrete Random Variable

Example 1

question

Solution

Enter the data in the GC as follows:

result

result 1

Variance can also calculated using the GC as follows:

Example 2

RI 18 J2 MYE 13i

Share this:

Facebook
Twitter

Like this:

Like Loading...

Related

Posted on July 9, 2017September 20, 2019Author gjoohengCategories Discrete Random Variables, Statistics, TI 84 Plus techniques

Leave a Reply Cancel reply

Enter your comment here...

Please log in using one of these methods to post your comment:

Email (required) (Address never made public)

Name (required)

Website

You are commenting using your WordPress.com account. ( Log Out / Change )

You are commenting using your Google account. ( Log Out / Change )

You are commenting using your Twitter account. ( Log Out / Change )

You are commenting using your Facebook account. ( Log Out / Change )

Connecting to %s

Notify me of new comments via email.

Notify me of new posts via email.

Δ

Post navigation

Previous Previous post: GC setting for faster graph plot

Next Next post: How to check Sequence of Transformation?

Blog at WordPress.com.

Follow Following
- H2 Maths Tuition
- Already have a WordPress.com account? Log in now.

Loading Comments...

You must be logged in to post a comment.

%d bloggers like this: