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ashish1354
- Master | Next Rank: 500 Posts
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. 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)1/2
(b)1/3
(c)1/6
(d)4/16
(e)9/16
(a)1/2
(b)1/3
(c)1/6
(d)4/16
(e)9/16
