Binomial Distribution Mock Tests

In a binomial distribution, the mean is 6 and the variance is 4. The number of trials n is:

The variance of a random variable X with P(X = 0) = 1/2, P(X = 1) = 1/2 is:

The standard deviation of a binomial distribution with n = 100 and p = 0.5 is:

In a binomial distribution, n = 10 and p = 1/2. The mean is:

The mean of a binomial distribution is 6 and variance is 4. The number of trials n is:

In a binomial distribution, the mean is 4 and the variance is 3. The probability of getting exactly 2 successes is:

A binomial random variable X has mean 4 and variance 3. Then P(X ≥ 1) is:

In a binomial distribution, n = 6 and p = 1/2. The probability of exactly 3 successes is: