1. Suppose you are choosing your lunch. You have to choose between: • A steak or a hamburger • Fries or a potato • A soup or salad Let's use symbols to represent each food item: • Steak = s • Fries =f • Soup = so Hamburger = h Potato = p Salad = sa List the possible outcomes using symbols that represent each food item. Enter your answer in the space provided below.
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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