Solve the problem.
-The probability that a radish seed will germinate is 0.7. A gardener plants seeds in batches of 18. Find the standard deviation for the number of seeds germinating in each batch.
A) 1.9
B) 37.8
C) 3.8
D) 14.3

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 = 18 and p = 0.7. So, the standard deviation is √(18 * 0.7 * 0.3) = √3.78 ≈ 1.9.

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