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The number of coins that Josh spots when walking to work is a Poisson random variable with mean 6. Each coin is equally likely to be a penny, a nickel, a dime, or a quarter. Josh ignores the pennies but picks up the other coins. Find the expected amount of money Josh earns on his way to work in cents. Show your work on the scratch paper.

Which (if any) states are absorbing? 

Classify all states into communication subsets. (Hint: all states in the same set must communicate).

[Q1 – Q4] Suppose random variables X and Y have the following joint pdf: ; and , elsewhere.  

Among the subsets identified in Q15, write all subsets with recurrent states.

Which of the following is most important for breastfeeding?  

Where is the anti-diuretic hormone (ADH) released from?

Where is the insulin released from?

“Do you support the reduction of property taxes and the construction of a state prison near Atlanta?” the major flaw in this item is that it is________________

Kelsey wanted to survey women who came to a battered women’s shelter, and was particularly concerned with hearing women’s own answers to questions. It would be best to use____