Find the standard deviation of the binomial random variable.
-The probability that a radish seed will germinate is 0.7. A gardener plants seeds in batches of 11. Find the standard deviation for the random variable X, the number of seeds germinating in each
Batch.
A)1.52
B)1.502
C)1.432
D)1.449

Question

Find the standard deviation of the binomial random variable.
-The probability that a radish seed will germinate is 0.7. A gardener plants seeds in batches of 11. Find the standard deviation for the random variable X, the number of seeds germinating in each
Batch. 
A)1.52
B)1.502
C)1.432
D)1.449

Quizplus · Accepted Answer

The standard deviation of a binomial random variable is given by the formula σ = √(np(1-p)), where n is the number of trials and p is the probability of success. In this case, n = 11 and p = 0.7, so σ = √(11 * 0.7 * 0.3) = 1.502.

Find the Standard Deviation of the Binomial Random Variable