The probability of an impossible event is:
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Correct answer: Exactly zero — the event cannot occur
An impossible event cannot occur, so its probability is zero. Probability values always lie between 0 and 1.
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More Basics of Biostatistics questions
- Which probability distribution is commonly used for biological measurements?
- In a normal distribution, most observations are clustered around the:
- Which term describes the number of times an event occurs in a data set?
- A variable that can take only whole number values is called:
- Which graphical method is best for representing frequency distribution?
- Sampling error arises mainly due to: