Over the past several months an adult patient has been treated for severe muscle spasms th Find a 99%is condition is associated with an average total calcium level below 6 mg recently the patient's total calcium test gave the readings in milligrams ..assume that the population of X values has an approximately normal distribution of 9.1, 9.4, 10.5, 8.9, 9.4, 9.8, 10.0, 9.9 11.2, 12.1. Use the calculator with the mean and simple standard deviation keys to find the sample meaning reading X and the sample standard deviation s. x= s= Find a 99.9% confidence interval for the population mean of total calcium in this patient's blood blood lower limit and upper limit