Question

Our hero - Maga is going to make a new contest for making the best
teams. He is really excited about it. There will be s students in the
contest. First N students in the final standings will be awarded.
He has a list( favourite students list ) what contains the best students
in informatics Olympiad. His favorite students list contains M
students. Though he is excited about the contest, he will enjoy it only
if at least K of students from his favourite students list are awarded.
He is wondering what are the chances of that happening. He needs
your help. Tell him the probability that he will enjoy. It is known that
each student has equal chance of being awarded.
Input:
First line of input contains a single integer T, the number of test cases.
In the next T lines, you are given 4 separated integers, S, N, M and K.
Output:
For each test case, output the required probability with 6 digits after
floating point.​

Answer 1

Answer:please translate to Indonesian

Step-by-step explanation: