Harlene tosses two number cubes. If a sum of 8 or 12 comes up, she gets 9 points. If not, she loses 2 points. What is the expected value of the number of points for one roll?
Negative two-thirds
Negative one-sixth
one-sixth
Two-thirds

Question

16-07-2024
Mathematics

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Harlene tosses two number cubes. If a sum of 8 or 12 comes up, she gets 9 points. If not, she loses 2 points. What is the expected value of the number of points for one roll?
Negative two-thirds
Negative one-sixth
one-sixth
Two-thirds

Sagot :

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