A tennis player makes a successful first serve 51% of the time. If she serves 9 times, what is the probability that she gets exactly 3 successful first serves in? Assume that each serve is independent of the others.
A) 0.0635
B) 0.00184
C) 0.154
D) 0.133

Question

Quizplus · Accepted Answer

The probability of exactly 3 successful serves out of 9 can be calculated using the binomial probability formula: P(X=k) = C(n, k) * p^k * (1-p)^(n-k), where n=9, k=3, and p=0.51. This results in approximately 0.154.

A Tennis Player Makes a Successful First Serve 51% of the Time