Seven-sided dice from five-sided dice: Difference between revisions
Seven-sided dice from five-sided dice (view source)
Revision as of 18:45, 13 April 2023
, 1 year agothe julia implementation
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Using a two-sided χ2-test with seven degrees of freedom (1.69, 16.013), it is reasonable to conclude that
this is consistent with the die being fair.
</pre>
=={{header|Julia}}==
<syntaxhighlight lang="julia">
using Random: seed!
seed!(1234) # for reproducibility
dice5() = rand(1:5)
function dice7()
while true
a = dice5()
b = dice5()
c = a + 5(b - 1)
if c <= 21
return mod1(c, 7)
end
end
end
rolls = (dice7() for i in 1:100000)
roll_counts = Dict{Int,Int}()
for roll in rolls
roll_counts[roll] = get(roll_counts, roll, 0) + 1
end
foreach(println, sort(roll_counts))
</syntaxhighlight>
Output:
<pre>
1 => 14530
2 => 13872
3 => 14422
4 => 14425
5 => 14323
6 => 14315
7 => 14113
</pre>
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