1. A random sample of 12 babies born in a charity ward of Cee Family Hospital was taken with their weights (in kg) recorded as follows: 2.3 2.4 2.4 2.5 2.6 2.5 2.8 2.4 2.7 2.3 2.2 3.0 Assuming that this sample came from a normal population, investigate the claim that the mean weight is greater than 2.5 kg. the population standard deviation is 0.2 kg. Use the level of significance a = 0.05 A. 2.5083, reject Ho. B. 2.5038, accept Ho. C. 0.1438, accept Ho. D. 0.1438, reject Ho.

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