A bus makes a stop at 2:30, letting off 12 people and letting on 7. The bus makes another stop ten minutes later to let off 4 mo
re people. How does the number of people on the bus after the second stop compare to the number of people on the bus before the 2:30 stop?
2 answers:
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Answer: 142506
Step-by-step explanation:
Given : The total number of choices for people in committee = 30
The number of people need to be chosen =5
Since , here order doesn't matter, so we use combination.
The combination of r things taking from n at a time is given by :-
Now, the number of possible combinations of 5 people be chosen from a total of 30 possible people :-
Hence, the committee can be made in 142506 ways.