第29题: [单项选择]You believe that the likelihood of bankruptcy is 30% for Rusty Roof Supply. You also believe that Home Pedot has a 20% of entering bankruptcy. You believe that the two events are independent. What is the probability that at least one of the companies will enter bankruptcy 参考答案:C 答案解析:The probability is given by [1-(1-30%)×(1-20%)]=44.0%.