Solve the problem.
-The probability that a radish seed will germinate is 0.7. A gardener plants seeds in batches of 15. Find the standard deviation for the number of seeds germinating in each batch.
A) 1.8
B) 9.9
C) 31.5
D) 3.2

Question

Quizplus · Accepted Answer

The standard deviation for a binomial distribution is calculated using the formula √(n * p * (1-p)), where n is the number of trials (seeds), and p is the probability of success (germination). Here, n = 15 and p = 0.7, so the standard deviation is √(15 * 0.7 * 0.3) = √3.15 ≈ 1.8.

Solve the Problem. -The Probability That a Radish Seed Will Germinate Is 0.7