Mathematics Statistics 2 9709: Hypothesis Testing Using Normal Distribution Topical Past Paper Questions
Cambridge AS & A Level Mathematics Statistics 2 (9709) past-paper questions on Hypothesis Testing Using Normal Distribution, free. This topic is frequently examined across 8 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
Bob is a self-employed builder. In the past his weekly income had mean $546 and standard deviation $120. Following a change in Bob's working pattern, his mean weekly income for 40 randomly chosen weeks was $581. You should assume that the standard deviation remains unchanged at $…
A mill owner claims that the mean mass of sacks of flour produced at his mill is 51 kg. A quality control officer suspects that the mean mass is actually less than 51 kg. In order to test the owner's claim she finds the mass, x kg, of each of a random sample of 150 sacks and her…
In order to test the effect of a drug, a researcher monitors the concentration, X, of a certain protein in the blood stream of patients. For patients who are not taking the drug the mean value of X is 0.185. A random sample of 150 patients taking the drug was selected and the val…
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