In the California Daily 4 lottery, four digits are randomly selected each day. Listed below are the digits that were selected in one recent week. Construct a DOTPLOT by hand, of course. Does the DOTPLOT suggest the lottery is basically fair? 5, 3, 8, 9, 2, 9 ,1, 1, 3, 0, 9 ,7 ,3, 8, 7 ,4, 7 ,4 ,8, 5, 6, 8, 0, 0, 4, 7, 5 ,3
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.
- In the California Daily 4 lottery, four digits are randomly selected each day. Listed below are the digits that were selected in one recent week. Construct a DOTPLOT by hand, of course. Does the DOTPLOT suggest the lottery is basically fair?
5, 3, 8, 9, 2, 9 ,1, 1, 3, 0, 9 ,7 ,3, 8, 7 ,4, 7 ,4 ,8, 5, 6, 8, 0, 0, 4, 7, 5 ,3
Dot Plot
It is a type of simple histogram-like chart for relatively small data sets where values fall into a number of categories.
A dot plot is identical to a bar graph because the height of each bar of dots is equal to the number of items in a particular category. count the number of data points to draw the dot plot.
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