alleryA repeatable observation with an unpredictable result is a:
ASolved proof
BRandom trial
CFixed answer
DKnown result
Answer & Solution
Correct answer: B. Random trial
1. Tossing a coin can be repeated any number of times.
2. The result may differ every time.
3. Such an observation is a random experiment or trial.
4. So the answer is a random trial.
_Source: syllabus Mathematics, Ch 7 'The Mathematics of Maybe: Introduction to Probability'_
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