Wednesday, December 17, 2014

345: Fair or Foul?

Sullivan bought a die at the magic shop. He rolls it 155 times and gets the following results:
  • ONE: twenty-eight times
  • TWO: twenty times
  • THREE: fifteen times
  • FOUR: thirty-one times
  • FIVE: thirty-two times
  • SIX: twenty-nine times.
Is this die loaded?
What is the probability he will get a 6 on the next roll?

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