A salesperson either makes a sale (S) or does not make a sale (N) with each of two potential customers. The simple events and their probabilities are given below.
Simple Event Probability
SS 0.08
SN 0.12
NS 0.15
NN 0.65
What is the probability that exactly one sale is made?
1. 0.35
2. 0.65
3. 0.27
4. 0.08