Question 468417
The access code for a garage door consists of three digits. Each digit can be 2 through 7 and each digit can be repeated.
a)Find the number of possible access codes
2 thru 7 = 6 numbers
6^3 = 216 codes
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b)What is the probability of randomly selecting the correct access code?
1/216
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c)What is the probability of not selecting the correct access code?
215/216