The following data represents the body temperature in degrees Fahrenheit of randomly selected adults:
98.4 99.2 98.9 99.6 99.5 98 99.4 98.1 98.8 98.7
Use Excel to compute the values indicated below. Express your answers rounded to the nearest tenth.

Mean:

Standard Deviation:

Use the 68-95-99.7 Rule to answer the following question.
What is the probability of a body temperature less than 99.5 ?

Express your answer rounded to four decimal places.