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Probability: Number of possible access codes

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P(E)= number of outcomes in event E
_________________________
total # of outcome in sample space

The access code for a garage door consists of three digits, each digit can be 2 through 9 and each digit can be repeated

1. Find the number of possible access codes? = 8x8x8= 512
2. The probability of randomly selecting the correct access code is?
3. The probability of not selecting the correct access code is?

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The access code for a garage door consists of three digits, each digit can be 2 through 9 and each digit can be repeated

1. Find the ...

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Sandhya Sharma, MSc
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  • BSc, Meerut University
  • MSc, Meerut University
  • MPhil, Institute of Advanced Studies
  • MSc, AIT
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