Based on a sample of 30 randomly selected years, a 90% confidence interval for the mean annual precipitation (in inches) in one city is (48.7, 51.3). find the margin of error.

Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f