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A personal identification number (PIN) consists of 3 numbers 0 – 9. What's the probability someone's PIN number consists of only 1 number. For example 000, 111, 222, etc.

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ebrightosagie

Answer:  [tex]0.34[/tex]

Step-by-step explanation:

given data:

numbers contained in pin = 3

numbers pin can be gotten from = 0-9

solution:

0,1,2,3,4,5,6,7,8,9 = 10

probability the pin consist of only 1 number

[tex]= \frac{1}{10} + \frac{1}{9} + \frac{1}{8} \\\\[/tex]

[tex]= \frac{121}{360} \\[/tex]

[tex]= 0.34[/tex]

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