A class has 10 students.Teacher decided to go the tour.But the seats are available only 7.
A class has 10 students.Teacher decided to go the tour.But the seats are available only 7.What is the probability that 7 students have to go out of 10 students?
Answer/Solution
120
Steps/Work
out of 10 students, 7 students must be go to tour.
The probablity is 10C7=120
120 possible ways to go to tour
The probablity is 10C7=120
120 possible ways to go to tour