Twenty-five percent of a group of students are

Twenty-five percent of a group of students are exactly 10 years old. The students are asked one at a time their age. What is the probability that the 5th student asked is the first exactly 10 years old? a. \(\frac14^5\) b. \(\frac3^54^5\) c. \(\frac3^44^5\) d. \(\frac14^4\)*\(\frac34\) e. (…)