MathsGee Answers is Zero-Rated (You do not need data to access) on: Telkom | Dimension Data | Rain | MWEB
First time here? Checkout the FAQs!
x

ASK - ANSWER - COMMENT - VOTE - DONATE


Network: Global | Joburg Libraries | MOOCs | StartUpTribe | Zimbabwe | Donate

MathsGee is Zero-Rated (You do not need data to access) on: Telkom |Dimension Data | Rain | MWEB

0 like 0 dislike
105 views
A bag contains 2 red, 3 green and 2 blue balls. Two balls are drawn at random. What is the probability that none of the balls drawn is blue?
in Data Science by Diamond (67,402 points) | 105 views

1 Answer

0 like 0 dislike

Using the multiplication rule:

P(none of the balls drawn is blue) = P(first ball not blue and second ball not blue) = P(first ball not blue) x P(second ball not blue)

= (5/7) x (4/6)

= (20/42) = 10/21

by Diamond (39,788 points)

MathsGee Answers is a global, STEM-focused Q&A platform where you can ask people from all over the world educational questions for improved outcomes.



On MathsGee Answers, you can:


1. Ask questions
2. Answer questions
3. Comment on Answers
4. Vote on Questions and Answers
5. Donate to your favourite users

MathsGee Tools

Math Worksheet Generator

Math Algebra Solver

Trigonometry Simulations

Vectors Simulations

Matrix Arithmetic Simulations

Matrix Transformations Simulations

Quadratic Equations Simulations

Probability & Statistics Simulations

PHET Simulations

Visual Statistics

Interactive Courseware

ZeroEd Search Engine

Article Rewriter Tool

Word Counter Tool

Other Tools

STEM Gender Equality | ZOOM | Slack | eBook