In a certain state, each automobile license plate number consists of two letters followed by a three-digit number. To avoid confusion between "o" and "zero" and between "I" and "one", the letters "O" and "I" are not used. How many distinct license plate numbers can be formed in this state? Step 1 There are a total of G events in this situation. The first two events are the choices of the letters and the rest of the events are the choices of the numbers. The English alphabet contains 26 letters. However, the letters "O" and "I" are not used and therefore there are only 24 | 24 choices for the first letter. A number plate can have the same letter in the two letter places. Therefore, there are 24 v 24 choices for the second letter. Step 2 Because there are a total of x digits, there are x choices for each digit in the three-digit number of the license plate number.

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.