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Question 92

An event has a probability of 0.5. Which word or phrase describes this event on the probability scale?

  1. Likely, because 0.5 is halfway up the scale
  2. Even chanceBonne réponse
  3. Unlikely, because 0.5 is only half of a whole
  4. Certain

Explication

A probability of 0.5 sits exactly halfway between the two ends of the scale, so the event happens as often as it fails to happen. Describing it as likely would place it above that halfway mark, and the word likely is kept for probabilities greater than 0.5.

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Question 92: An event has a probability of 0.5. Which word or phrase… · Statistics and Probability · Questena