A random sample of 100,000 credit sales in a department store showed an average sale of $87. 25. From past data, it is known that the standard deviation of the population is $20. 0. What is the 95% confidence interval of the population mean?.

Mount saint helen the great lakes and death valley are physical features of the earth which scientific term describes these features

Explain how earth is like a giant bar magnet. how is our magnetic field made?

How should the syntax in this sentence be changed, if at all? the scientists spent years analyzing the results of numerous medical studies meant to identify the cause of the disease. no change the scientists spent years looking at the results of a variety of different medical studies meant to locate the cause of the disease. the scientists spent years reviewing medical study results to find the cause of the disease. the scientists spent years studying the results of many medical studies in order to uncover the cause of the disease.