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The sum of the experimental probabilities of all the possible outcomes of an experiment is always:

Class 9Experimental ProbabilityStatistics
  • A1
  • B0
  • C0.5
  • Ddepends on the number of trials

Step-by-Step Solution

Every trial gives exactly one outcome, so the favourable counts add to the total number of trials, and the probabilities add to 1.
Answer: A) 1

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