Further Mathematics 9231: Inference using normal and t-distributions Topical Past Paper Questions
Cambridge AS & A Level Further Mathematics (9231) past-paper questions on Inference using normal and t-distributions, free. This topic is frequently examined across 21 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
A researcher is studying household waste recycling in two different cities, city A and city B. She randomly selects 8 households in city A and 9 households in city B. The researcher records the percentage of waste that each household recycles. Her results are as follows. The popu…
Two different types of juice extractor, machine X and machine Y, are being compared. The manufacturer claims that machine Y extracts more juice per orange on average than machine X. A random sample of 20 oranges is selected and each carefully measured. Oranges of a similar size a…
Ansal is investigating the wingspans of Monarch butterflies in two different regions, X and Y. He takes a random sample of 8 Monarch butterflies from region X and records their wingspans, x cm. His results are as follows. Ansal also takes a random sample of 9 Monarch butterflies…
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