Consumption of Bottled Water: A researcher claims that the average yearly consumption of bottled water in Canada is equal to 27 litres per capita. In a sample of 50 randomly selected Canadians, the mean yearly consumption of bottled water was 29.3 L. The standard deviation of the sample was 1.8L. Find the P-value for the test. On the bases of the P-value, is the researcher's claim valid?