In a binomial experiment the probability of success is 0.05. What is the probability of two successes in seven trials?
A) 0.0036
B) 0.0000
C) 0.0406
D) 0.3667

Question

Quizplus · Accepted Answer

The probability of two successes in seven trials using the binomial probability formula is: 
P(X=2) = (7 choose 2)(0.05)^2(0.95)^5
Using a calculator or statistical software, this simplifies to approximately 0.0406. Therefore, the correct answer is C.

In a Binomial Experiment the Probability of Success Is 0