1. This probability distribution shown below refers to the number of times a person goes to a local coffee shop per day. What is the expected mean (average) number of times a person goes to a local coffee shop per day?

X	P(X)
0	0.65
1	0.15
2	0.2

2. What is the area under the curve of a normal distribution? 3. What does the central limit theorem say? 4. What is inferred from a 95% confidence interval of the mean? 5. What happens to the confidence interval as the sample size increases?