SOLUTION: Of ten dresses on a rack, three have a 1-inch hem, six have a 2-inch hem, and one has a 3-inch hem. Whats the expected hem of a dress randomly selected from this set?

SOLUTION: Of ten dresses on a rack, three have a 1-inch hem, six have a 2-inch hem, and one has a 3-inch hem. Whats the expected hem of a dress randomly selected from this set?

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Question 432512: Of ten dresses on a rack, three have a 1-inch hem, six have a 2-inch hem, and one has a 3-inch hem. Whats the expected hem of a dress randomly selected from this set?
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
3*1=3
6*2=12
1*3=3
.
3+12+3=18
18/10=1.8" the expected hem of a dress.
.
Ed
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