Selecting an Envelope In Exercises 37 40 on page 706, a
Chapter 12, Problem 12.1.219(choose chapter or problem)
Selecting an Envelope In Exercises 37 40 on page 706, a person randomly selects one of the four envelopes shown below. Each envelope contains a check that the person gets to keep. However, before the person can select an envelope, he or she must pay $15 to play. For the value of the checks indicated in the exercises, determine the expectation for a person who plays.The checks in the envelopes are for $0, $2, $5, and $20, respectively
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer