Question 8 • Concepts in Probability and Statistics A
Margo has 15 pounds of clay, Tim has 10 pounds of clay, Tray has 13 pounds of clay, Lila has 14 pounds of clay, and Jerry has 13 pounds of clay. How can they redistribute the clay so that they all have the same amount? Check all that apply.
Answer
A
Margo should give away 2 pounds of clay.
B
Margo should be given 2 pounds of clay.
C
Tim should be given 1 pound of clay.
D
Lila should give away 1 pound of clay.
E
When fairly balanced everyone will have 14 pounds of clay.
F
When fairly balanced everyone will have 13 pounds of clay.
Explanation
The five people have 15 + 10 + 13 + 14 + 13 = 65 pounds of clay altogether. Dividing 65 pounds equally among 5 people gives 13 pounds each. Margo has 2 pounds more than that and should give away 2 pounds, while Lila has 1 pound more and should give away 1 pound. So the correct choices are A, D, and F.
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