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WAMath MethodsQuick questions
Unit 4
Quick questions on Standardisation and normal probability calculations: WACE Year 12 Mathematics Methods Unit 4
2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is wrong tail in an inverse problem?Show answer
The top corresponds to a cumulative probability of , giving a positive ; the bottom gives a negative .
What is sign error on the -score?Show answer
A value below the mean has a negative ; keep track using a sketch.
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