Determine whether the samples are independent or dependent. To test the effectiveness of a drug, cholesterol levels are measured in 240 men and 240 women after the treatment. Choose the correct answer below. O A. The samples are dependent because there is a natural pairing between the two samples. O B. The samples are dependent because there is not a natural pairing between the two samples. OC. The samples are indenendent because there is not a natural pairing between the two samples
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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