Binomial Probability Check-In

Front

What does the n stand for in the binomial probability formula?

Back

Total number of trials

Front

What does the r stand for in the binomial probability formula?

Back

Number of Successes

Front

What does the p stand for in the binomial probability formula?

Back

Probability of Successes

Front

What does the q stand for in the binomial probability formula?

Back

Probability of Failures

Front

What is the formula for binomial probability?

Back

P(X = r) = (nCr) * (p^r) * (q^(n-r))

Front

If n = 10 and p = 0.5, what is q?

Back

q = 1 - p = 0.5

Front

In a binomial distribution, what are the two possible outcomes?

Back

Success and Failure

Front

What is the mean of a binomial distribution?

Back

Mean = n * p

Front

What is the variance of a binomial distribution?

Back

Variance = n * p * q

Front

If a coin is flipped 5 times, what is the probability of getting exactly 3 heads?

Back

P(X = 3) = (5C3) * (0.5^3) * (0.5^2) = 0.3125