Category Fast answers

Sample Mean, Sample Standard Deviation, Conclusion of Test Given a sample size of 65, with sample mean 726.2 and sample standard deviation 85.3, we perform the following hypothesis test. H0: u = 750 H1: u < 750 1. What is…

A popular retail store knows that the purchase amounts by its customers is a random variable that follows a normal distribution with a mean of $30 and a standard deviation of $9. What are the two dollar amounts, equidistant from…