Answered

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The home states of a certain group of people are distributed as follows: 50 percent are from MISSOURI, 29 percent are from KANSAS, and 21 percent are from IOWA. (No one in the group had a home state other than one of these three.)
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?

Sagot :

(53*8)+(21*6)+(26*4)= 654

654/100= 6.54 letters

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