Binomial Probability: 5 Trials, 3 Successes, p = 0.7
With a 70% success probability, the chance of exactly 3 successes in 5 trials is approximately 30.9%.
How to use this tool
- Enter trials (n), successes (k) and probability of success (p) in the fields above.
- Results update instantly as you type — or click Calculate.
- Read your p(x = k) and the full breakdown beneath it.
Calculate the binomial probability of 3 successes in 5 trials when each trial has a 70% success rate, such as a free throw percentage in basketball.
Frequently asked questions
- What is the binomial distribution?
- The binomial distribution models the number of successes in n independent yes/no trials, each with the same probability p of success. Classic examples: coin flips, pass/fail tests.