如何在Ruby中随机选择真/假w/权重

我在下面创建了一个函数，可以随机选择true或false，默认情况下每个值的概率为50%。这一功能绝非完美。您将如何重构此方法以使其更简洁

def choose(weight = 50)
  bucket = []
  weight.times do
    bucket << true
  end
  while bucket.size < 100
    bucket << false
  end
  bucket.sample
end

---

如果您只需要这些值true/false，那么选择任意值就容易一点

def choose(weight = 50)
  chance = rand() # value between 0 and 1
  chance <= weight / 100.0
end

10.times.map{ choose(80)} # => [true, false, true, true, true, true, false, true, true, false]

---

如果您只需要这些值true/false，那么选择任意值就容易一点

def choose(weight = 50)
  chance = rand() # value between 0 and 1
  chance <= weight / 100.0
end

10.times.map{ choose(80)} # => [true, false, true, true, true, true, false, true, true, false]

---

以下实现更加简洁、快速且类似ruby：

def choose(weight = 50)
  rand <= weight/100.0
end

---

以下实现更加简洁、快速且类似ruby：

def choose(weight = 50)
  rand <= weight/100.0
end

---

函数100离散桶的简单等价物

def choose(weight = 50) 
  rand(100) < weight
end

---

函数100离散桶的简单等价物

def choose(weight = 50) 
  rand(100) < weight
end