the author recorded all digit selected in californias daily 4 lottery for the 60 days preceding the time that this exercise was created. the frequencies of the digits from 0 to 9 are 21, 30, 31, 33, 19, 23, 21, 16, 24, and 22. use a 0.05 significance level to test the claim of lottery officials that the digits are selected in a way that they are equally likely.
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.
the author recorded all digit selected in californias daily 4 lottery for the 60 days preceding the time that this exercise was created. the frequencies of the digits from 0 to 9 are 21, 30, 31, 33, 19, 23, 21, 16, 24, and 22. use a 0.05 significance level to test the claim of lottery officials that the digits are selected in a way that they are equally likely.
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