NCEA Level 2 Probability
AS 91267 · Apply probability methods in solving problems
8 lessons, about 41 minutes.
Probability: when to add and when to multiply5 min
Two-way tables and conditional probability5 min
Probability trees from written information, forwards and backwards5 min
Expected value and expected numbers5 min
Relative risk: above 1, below 1, and evaluating a claim5 min
The normal distribution: probabilities and z-values5 min
Inverse normal: finding a value, the mean or the standard deviation5 min
Comparing distributions: shape, centre and spread5 min8 worked problems, about 80 minutes.
Probability rules: 7 exam questions solved step by step10 min
Two-way tables: 7 exam questions solved step by step10 min
Probability trees: 7 exam questions solved step by step10 min
Expected value: 7 exam questions solved step by step10 min
Relative risk: 7 exam questions solved step by step9 min
Normal distribution: 7 exam questions solved step by step10 min
Inverse normal: 7 exam questions solved step by step10 min
Comparing distributions: 7 exam questions solved step by step10 minSitting NCEA Maths this year?Book a free NCEA assessment
What would your answers score?Get a Level 2 paper marked free
Achievement standard titles, codes and credit values are referenced from NZQA (nzqa.govt.nz) for course-information purposes; confirm current details on the NZQA website. Vertex Academy is an independent tutoring centre and is not affiliated with or endorsed by NZQA or the Ministry of Education. All practice materials are original.