There are six tutors, four juniors and two seniors, who must be assigned to the 6 hours that a math center is open each day. If each tutor works 1 hour per day, how many different tutoring schedules are possible under the following conditions? (a) if there are no restrictions schedules (b) if the juniors tutor during the first 4 hours and the seniors t
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.
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