For a binomially distributed random variable, the probability of "success" is equal to 0.3. What is the probability that in 6 trials there will be at least 4 successes?
Added by Brandi D.
Step 1
We can use the binomial probability formula for this: $P(X=k) = \binom{n}{k} p^k (1-p)^{n-k}$ where $n$ is the number of trials, $k$ is the number of successes, and $p$ is the probability of success. For 4 successes: $P(X=4) = \binom{6}{4} (0.3)^4 Show more…
Show all steps
Close
Your feedback will help us improve your experience
Pritesh Ranjan and 63 other Intro Stats / AP Statistics educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Pritesh R.
For a binomially distributed random variable, the probability of "success" is equal to 0.6. What is the probability that in 12 trials there will be at least 4 successes?
Tim T.
Recommended Textbooks
Elementary Statistics a Step by Step Approach
The Practice of Statistics for AP
Introductory Statistics
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD