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July 31, 2015

Homework Help: Statistics

Posted by Lucy King on Tuesday, March 20, 2012 at 3:20am.

The home states of a certain group of people are distributed as follows: 53 percent are from MISSOURI, 21 percent are from KANSAS, and 26 percent are from IOWA. (No one in the group had a home state other than one of these three.)

(Note: Your answer to the question below should be rounded to three decimal places.)

Suppose we randomly select a person from this group. What is the expected value of the number of letters in the selected person's home state?

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