10.67 A study conducted by an agriculture depart- ment reveals that the water content in tender coconuts is normally distributed, with a variance of 0.075 liter. Test the hypothesis that o = 0.075 against the alter- native that o0.075 using the water content found in a random sample of 10 tender coconuts 0.35, 0.42, 0.38, 0.33, 0.40, 0.41, 0.39, 0.44, 0.37, and 0.36 liter. Use a P-value in your conclusion.