1. Construct a probability distribution table for the spinner.

X = xi

P(X = xi)

2. Find the expected value for the spinner in #1. Show your work.

Answer:

Show your work below:

3. Suppose your wallet contains nine $1 bills, four $5 bills, and two $20 bills. Construct a probability distribution table.

X = xi

P(X = xi)

4. Imagine that you reach into the wallet in #3 and remove a bill at random and then replace it. If you did this many times, what is the expected value? Show your work.

Answer:

Show your work below: