1. Happy Wednesday! April 18, 2012

2. What is a probability distribution? -A table or an equation that links each outcome of a statistical experiment with its probability of occurrence -The table below, which associates each outcome with its probability, is an example of a probability distribution -The above table represents the probability distribution of the random variable X. Number of headsProbability 00.25 10.50 20.25

3. How do you find mean and standard deviation of a probability distribution?

4. Find the mean and st. dev. of the table below Number of headsProbability 00.25 10.50 20.25

5. Assignment: Work on Please be Discrete Learning Task #1&2