Probability

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Probability

by akpareek » Sun Aug 01, 2010 10:57 am
A seven-digit combination lock on a safe has zero exactly three times, does not have the digit 1 at all. What is the probability that exactly 3 of its digits are odd?
(a) 21
(b) 31
(c) 61
(d) 164
(e) 169
Source: — Problem Solving |

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by kmittal82 » Sun Aug 01, 2010 11:31 am
The question asks for probability yet all the choices are greater than 1.

Can you please double check the question, and also provide the OA

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by indiantiger » Sun Aug 01, 2010 12:48 pm
agreed with Kmittal, probability can never be greater than 1
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