Groupon, an online Web site, offers its subscribers at least one special deal per day to local businesses in their cities such as places to eat, health-related activities (spas or fitness centers), places to see (museums), a variety of activities such as golfing or sky diving, or other specials (such as a Gap Groupon or a gourmet fruit basket). Since December 2008, the number of subscribers has increased from 400 to more than 50 million in more than 400 markets, in over 40 countries (Groupon Hits 50m Subscribers, 2011). To date, Groupon claims that more than 30 million Groupons have been sold, saving subscribers nearly $1.3 billion. From a survey of students at one university, it was found that during the past week, the following number and category of Groupons were purchased: 230 (activities); 80 (food); 90 (health-related items), and 50 (other).a. Graph these purchases with a pie chart.b. Graph these purchases with a bar chart.
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.
Groupon, an online Web site, offers its subscribers at least one special deal per day to local businesses in their cities such as places to eat, health-related activities (spas or fitness centers), places to see (museums), a variety of activities such as golfing or sky diving, or other specials (such as a Gap Groupon or a gourmet fruit basket). Since December 2008, the number of subscribers has increased from 400 to more than 50 million in more than 400 markets, in over 40 countries (Groupon Hits 50m Subscribers, 2011). To date, Groupon claims that more than 30 million Groupons have been sold, saving subscribers nearly $1.3 billion. From a survey of students at one university, it was found that during the past week, the following number and category of Groupons were purchased: 230 (activities); 80 (food); 90 (health-related items), and 50 (other).
a. Graph these purchases with a pie chart.
b. Graph these purchases with a bar chart.
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