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April 18, 2014

Homework Help: Algebra

Posted by Gianina HELP HELP on Tuesday, December 18, 2012 at 1:15am.

Each person that works at a company is given a 5-digit code followed by a letter,either uppercase or lowercase.These employees must enter their codes on a keypad to enter and exit the office building The company has 130 employees.
a) How many codes are possible if there are no restrictions?
b) What is the probability of someone entering a code at random and gaining entry to building?

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