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  • 23-01-2018
  • Mathematics
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An unbiased cubic die has numbers 1 to 6 inscribed on each side. on average, how many rolls will you need in order to get a 6?

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jobeso2000ovzree
jobeso2000ovzree jobeso2000ovzree
  • 23-01-2018
(5/6)^x < 0.5
x = ceiling( log(0.5) / log(5/6) )
x = 4 

 Here I worked it out, hopefully this helps :) 
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