tabithabartlett2800 tabithabartlett2800
  • 24-01-2024
  • Mathematics
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An urn contains four balls numbered 1, 3, 4, and 6. If a person selects a set of two balls at random, what is the expected value of the product of the numbers on the balls?

a) 7
b) 9
c) 12
d) 18

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