In how many ways can a subcommittee of 8 students be chosen from a committee which consists of 14 senior members and 17 junior members if the team must consist of 4 senior members and 4 junior members? a) O5,664,400 b) O 57,120 c) O 238 d) O 2,382,380 e) O 1,002,001 ) O None of the above.
Permutations and Combinations
If there are 5 dishes, they can be relished in any order at a time. In permutation, it should be in a particular order. In combination, the order does not matter. Take 3 letters a, b, and c. The possible ways of pairing any two letters are ab, bc, ac, ba, cb and ca. It is in a particular order. So, this can be called the permutation of a, b, and c. But if the order does not matter then ab is the same as ba. Similarly, bc is the same as cb and ac is the same as ca. Here the list has ab, bc, and ac alone. This can be called the combination of a, b, and c.
Counting Theory
The fundamental counting principle is a rule that is used to count the total number of possible outcomes in a given situation.
![In how many ways can a subcommittee of 8 students be chosen from a committee which consists of 14 senior members and 17 junior members
if the team must consist of 4 senior members and 4 junior members?
a) 05,664,400
b) O 57,120
c) O 238
d) 02,382,380
e) O 1,002,001
f) O None of the above.
Review Later
Question 19
Suppose that 50 batteries are shipped to an auto parts store, and that 4 of those are defective. A fleet manager then buys 8 of the batteries from
the store. In how many ways can at least 3 defective batteries be included in the purchase?
a) 08,705,340
b) 05,319,831
c) 0 5,646,201
d) 08,475,040
e) 05,483,016
f) ONone of the above.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0043636e-317e-482a-b701-46e9ae6bab2e%2F78d61075-b6c6-4c71-8b88-2a8e66a6410b%2Fwqnium_processed.jpeg&w=3840&q=75)
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