What is minimum sample size required to estimate a mean

What is minimum sample size required to estimate a mean within 2 with 95% confidence if the sample standard deviation is 20?

Find the lower end point of a 95 confidence interval for a : find the lower end point of a 95 confidence interval for a population proportion based on a sample size of 100 if the

Calculate the temperature of the steam entering the turbine : a simple rankine cycle with water as the operating fluid operates with a boiler pressure of 6000kpa and a condenser

Two ping-pong balls each have a mass of 27 g and carry a : two ping-pong balls each have a mass of 2.7 g and carry a net charge of 0.430 microc. one ball is held fixed. at what

The convective heat transfer coefficient on the tube outer : a cross-flow heat exchanger consists of a bundle of 32 tubes in a 0.6-m2 duct. hot water at 150degc and a mean velocity

What is minimum sample size required to estimate a mean : what is minimum sample size required to estimate a mean within 2 with 95 confidence if the sample standard deviation is

What is the molarity of a hydrocholric acid solution if : what is the molarity of a hydrocholric acid solution if 20.00 ml of hcl is required to neutrilize .424 of sodium

The half width of a 99 confidence interval for a mean based : the half width of a 99 confidence interval for a mean based on sample size of 30 is 10. what is the value of the sample

Nitric acid is a strong acid ammonium hydroxide is a weak : nitric acid is a strong acid ammonium hydroxide is a weak base and ammonium nitrate is a soluable salt what is the net

The half width of a 95 confidence interval for a population : the half width of a 95 confidence interval for a population mean based on a sample size of 30 is 5.9. what is the value