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Mr N
Lv 5
If we are given a true random natural number generator, that generates natural numbers from 1 to 5, then how can we use it to...?
truly generate random natural numbers from 1 to 7?
1 Answer
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- Barkley HoundLv 76 years ago
1 - 7 can be represented by 3 binary bits.
Do this 3 times to get each bit.
Take the random number 1-5 and if 1 or 2 the bit is 0
If 3 ignore.
if 4 or 5 the bit is 1.
000 ignore
001 = 1
010 = 2
011 = 3
100 = 4
101 = 5
110 = 6
111 = 7
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