Management: The Bureau of Labor Statistics reported that 64.7 million women and 74.5 million men were employed. Of the women, 25.5 million had management jobs, and of the men, 24.6 million had management jobs. An employed person is chosen random. Write your answer as a fraction or a decimal, rounded to four decimal places. (a) What is the probability that the person is a male? (b) What is the probability that the person has a management job? (c) What is the probability that the person is male and has a management job?
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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