The following table list the demographics by class and gender for Dallas University. Round all probabilities three decimal places. You must show the work Freshman 320 Sophomore Junior Senior Total Male 314 125 62 821 Female 472 268 225 185 1150 Total 792 582 350 247 1971
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.
1) the student is a female and a junior
2) the student is a female, given that the student is a senior
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