Chapter 6.5, Problem 53E

Many fire stations handle emergency calls for medical assistance as well as calls requesting firefighting equipment. A particular station says that the probability that an incoming call is for medical assistance is 0.85. This can be expressed as P(call is for medical assistance) = 0.85.

1. a. Give a relative frequency interpretation of the given probability.
2. b. What is the probability that a call is not for medical assistance?