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StatisticsQ&A LibraryIn Exercises 5–36, express all probabilities as fractions.Social Security Numbers A Social Security number consists of nine digits in a particular order, and repetition of digits is allowed. After seeing the last four digits printed on a receipt, if you randomly select the other digits, what is the probability of getting the correct Social Security number of the person who was given the receipt?Question

Asked Dec 29, 2019

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In Exercises 5–36, express all probabilities as fractions.

Social Security Numbers A Social Security number consists of nine digits in a particular order, and repetition of digits is allowed. After seeing the last four digits printed on a receipt, if you randomly select the other digits, what is the probability of getting the correct Social Security number of the person who was given the receipt?

Step 1

There are 10 possible ways for selecting of each digit for social security number, they are,

Step 2

*Multiplication counting rule:*

Step 3

Here, the five digits in social security number are randomly selected. Hence, number of ways each number can be sel...

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