An American roulette wheel contains 18 red number, 18 black numbers, and 2 Green Numbers. The following table shows the frequency with which the ball landed on each color. Number Red Black Green Frequency 88 102 10 At the 10% significance level, do the data suggest that the wheel is out of balance? Use the Chi-Square Goodness of Fit Test and Interpret your results.
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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