Gce Model Questions Vol1 2019 Mathematics Question 34
Practice objective / multiple choice question 34 from the 2019 Gce Model Questions Vol1 Mathematics examination.
A sample of \(n=40\) observations has mean \(\bar{x}=15.2\) and standard deviation \(s=2.4\). Assuming the population is normal:\n\n(a) Construct a 95 % confidence interval for the population mean \(\mu\).\n\n(b) Using a two‑tailed test at the 5 % significance level, decide whether the hypothesis \(H_{0}:\mu=14.5\) should be rejected. State the interval and the conclusion.
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This is Gce Model Questions Vol1 2019 Mathematics Question 34. It is one of the objective questions from the 2019 Gce Model Questions Vol1 Mathematics examination.
Difficulty level: Hard .
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