1. A tennis player makes successful first serve 59% of time. If she serves 7 times, determine the probability that she gets exactly 3 first serves in? Suppose that each serve is independent of the others
2. In the small class of 5 students, there is probability of 0.80 that a student will ask question at start of class. Supposing that students decide to ask question independently of each other, what's the probability that there will be at least one question at the start of class?
Select one:
a. (0.2)^5 (0.2 raised to the 5th power)
b. 1 - (0.8)^5 (1 minus 0.8 raised to the 5th power)
c. 1- (0.2)^5 (1 minus 0.2 raised to the 5th power)
d. (0.8)^5 (0.8 raised to the 5th power)