General Skills

Combining Events with Addition

You'll learn to handle "or" probabilities—first for events that can't overlap, then for events that can—choosing the correct addition rule each time, and recognizing situations where "or" in everyday language doesn't translate to adding probabilities.

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4 lessons

17 practices

2 hours

Computing Probabilities of Compound Events

Course details

Identifying Mutually Exclusive Events

Preview

Classifying Probability Events

Classifying Mutually Exclusive Events

Explain Event Overlap

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I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

Alex Bush

Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

Combining Events with Addition

Course details

Unit 13 practices26 min

Unit 25 practices38 min

Unit 34 practices32 min

Unit 45 practices38 min

Turn screen time into skills time

Join the 1M+ learners on CodeSignal

From our community

From our community