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Brain teaser - a simulation approach.
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| trials <- 1000000 | |
| counter <- 0 | |
| for (i in 1:trials) { | |
| x <- sample(0:1, size = 400, replace = TRUE) | |
| y <- sum(x) | |
| if (y >= 220) counter = counter + 1 | |
| } | |
| print(round(counter / trials, digits=2)) |
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