ProbabilityExpected Value
A fair 20-sided die (uniform on ) is rolled 9 times independently. Let be the number of rolls whose value is divisible by 8.
Compute . Give an exact fraction or decimal.
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A fair 20-sided die (uniform on ) is rolled 9 times independently. Let be the number of rolls whose value is divisible by 8.
Compute . Give an exact fraction or decimal.