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السؤال 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 chanceالإجابة الصحيحة
  3. Unlikely, because 0.5 is only half of a whole
  4. Certain

الشرح

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