The sports equipment company developed a synthetic type of fishing line which is claimed to have an average strength of
Posted: Mon Jul 11, 2022 11:26 am
company developed a synthetic type of fishing line which is claimed to have an average strength of 8 kg and a standard deviation of 0.5 kg. It is known that with a sample of 50 synthetic fishing rods the average strength is 7.8 kg. With a significance level of 0.01, test the hypothesis that the population mean is not equal to 8 kg. The conclusion is A. The actual population mean is less than or equal to 8 kg. B. There is no right conclusion. C. The actual population mean equals 8 kg. D. The actual population mean is not equal to 8 kg.
The sports equipment