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December 22, 2014

Homework Help: math

Posted by Mackenzie on Tuesday, February 26, 2008 at 3:55pm.

your social security number is a 9 digit number. suppose that the last 4 digits are chosen randomly from the number 0-9.

a. how many sequences are possible for the last 4 digits?

b. what is the probability of getting 5 or 0 in the last digit.

c. what is the probability of getting two 5's in the last two digits?

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