I forgot the last digit of a 7-digit telephone number. If 1 randomly dial the fi

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โœช Choose the correct option.

I forgot the last digit of a 7-digit telephone number. If 1 randomly dial the final 3 digits after correctly dialing the first four, then what is the chance of dialing the correct number?

A. 1/999
B. -328351
C. -328716
D. -328626

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