A manufacturing machine has a 70% defect rate. If 119 items are chosen at random, answer the following. a) Which is the correct wording for the random variable? rv X = the number of 119 randomly selected items that are defective b) Pick the correct symbol: Y = 119 c) Pick the correct symbol: (P Y = 0.7
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.
just answer parts g,h,i
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