Joseph is going to invest in an account paying an interest rate of 5.6% compounded annually. How much would Joseph need to invest, to the nearest hundred dollars, for the value of the account to reach $8,300 in 10 years?

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?