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Transcript
```Statistics
Randomness
February 16, 2009
1. A simple random sample from a population is
2. One source of bias that arises when we try to take a simple random sample is
Outline
1. Random processes
(a)
(b)
(c)
2. Probability - proportion of occurrences in the long run
3. The language of probability
(a) Outcome
(b) Sample Space
(c) Event
(d) Probability Model
4. Notation: A is an event, P (A) is the probability of A
5. How do we assign numbers?
Announcement: Stats help room is open this evening.
```
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