CAPE Applied Mathematics Unit 1 · 2016 · Paper 1 · Question Q44
A balloon manufacturing company claims that 10% of its balloons are blue. A random sample of 200 of these balloons is taken, and 16 are found to be blue. Which of the following tests would be MOST appropriate for establishing whether the balloon company needs to change its claim?
- (A)T-test of a population mean
- (B)Chi-square test for independence
- (C)Two-tailed z-test of a population proportion
- (D)One-tailed z-test of a population proportion
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