Assume that each of the n trials is independent and that p is the probability of success on a given trial. Use the binomial probability formula to find P(x). Round to four decimal places.
-n = 9, x = 7, p = 0.3
A) 0.0039
B) 0.0050
C) 0.0042
D) 0.0037

Question

Quizplus · Accepted Answer

The binomial probability formula is P(x) = (nCx) * (p^x) * ((1-p)^(n-x)). For n = 9, x = 7, p = 0.3, P(7) = (9C7) * (0.3^7) * (0.7^2) = 36 * 0.0002187 * 0.49 = 0.0039.

Assume That Each of the N Trials Is Independent and That