单选题 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?

A、

A. 6.0%.
B、

B.4.0%.
C、

C.44.0%.

【正确答案】 C

【答案解析】The probability is given by [1-(1-30%)×(1-20%)]=44.0%.