As you walk to your car, you notice that your tire is nearly flat. the initial psi level yesterday was 38, but it is now only 35 today. if this trend continues and the tire keeps losing the same percentage of air, how much should be left at the end of the week? (7 days later)

Use the given degree of confidence and sample data to construct a confidence interval for the population mean mu . assume that the population has a normal distribution. a laboratory tested twelve chicken eggs and found that the mean amount of cholesterol was 185 milligrams with sequals 17.6 milligrams. a confidence interval of 173.8 mgless than muless than 196.2 mg is constructed for the true mean cholesterol content of all such eggs. it was assumed that the population has a normal distribution. what confidence level does this interval represent?