Probability Formula:
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The multiple attempts probability formula calculates the chance of at least one success over multiple independent attempts. It's commonly used in gaming, statistics, and probability analysis.
The calculator uses the probability formula:
Where:
Explanation: The formula calculates the complement of the probability of failing all attempts (1 - probability of all failures).
Details: Understanding cumulative probability helps in game strategy, decision making, and risk assessment across multiple trials.
Tips: Enter the probability per attempt (between 0 and 1) and the number of attempts. For percentages, convert to decimal (e.g., 5% = 0.05).
Q1: Does this formula work for dependent events?
A: No, this formula assumes each attempt is independent. For dependent events, different calculations are needed.
Q2: How does increasing attempts affect the probability?
A: More attempts increase the chance of at least one success, but with diminishing returns.
Q3: What's the difference between this and expected value?
A: This calculates probability of ≥1 success, while expected value gives the average number of successes.
Q4: Can I use this for very small probabilities?
A: Yes, but with extremely small p_single and small n, the result will be very close to n × p_single.
Q5: How accurate is this for real-world applications?
A: Perfectly accurate for truly independent events with constant probability per attempt.