A given set of data with normal distribution has a mean height of 70 inches and a standard deviation of 3 inches. What would be an appropriate height range for 95% of all people in the sample?

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?