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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 ProbabilitySS 0.08SN 0.12NS 0.15NN 0.65
What is the probability that exactly one sale is made?
1. 0.35
2. 0.65
3. 0.27
4. 0.08
consider two random variables x and y. suppose that the variance of x is 20 that this of y is 10 and that the
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