Walker Maths 2.12 Probability: Level 2 Ncea

Description

Walker Maths is a series of single standard workbooks containing high-quality, up to date material at NCEA Mathematics levels 1, 2 and 3.The well-designed, write-on workbooks contain teaching material, including relevant formulae, and ample practice exercises along with sample tasks and questions. The workbooks reflect the content and style of the new standards, and allow teachers total flexibility in course design for students at all levels. As a single standard series, Walker Maths offers Maths Departments the ability to buy titles all at once, or throughout the year as required.

Author description

Charlotte Walker BEd, GradDipTchLn, MHealSc.Charlotte has over 10 years' experience in teaching Mathematics. Victoria Walker BSc (Hons), GradDipTchLn. Victoria has twenty years' experience in teaching Mathematics. She has received a Jim Campbell award for teaching excellence (2003) and an Ernest Duncan award in Mathematics (2007).

Table of contents

Formula Glossary Probability revision Graphs of distributions Calculations from graphs of distributions Describing graphs of distributions The normal distribution The standard normal distribution Using Z to calculate a probability Reading normal distribution tables Calculating a probability on the right side of the curve Probabilities below a value Probabilities from the right tail of the curve Probabilities on the left of the curve Probabilities from a tail on the left side of the curve Probabilities from both sides of the curve Probabilities from two tails of the curve Calculating probabilities by difference Using a graphics calculator to calculate probabilities Mixing it up Inverse normal calculations Using a probability to find Z Using Z to calculate the value of x — where Z is positive Using Z to calculate the value of x — where Z is negative Using a graphics calculator to calculate inverse probabilities Using Z to calculate the mean Using Z to calculate the standard deviation Mixing it up Mixed normal distribution problems Probability trees Probability tables Tables of frequencies Creating your own table Tables of probabilities Risk Absolute risk Relative risk Risk and tables Practice tasks Answers