I just want points but your answer is Modelo time
Answer with Step-by-step explanation:
We are given that
The probability that an American CEO can transact business in foreign language=0.20
The probability than an American CEO can not transact business in foreign language=
Total number of American CEOs chosen=12
a. The probability that none can transact business in a foreign language=
Using binomial theorem 
The probability that none can transact business in a foreign language=
b.The probability that at least two can transact business in a foreign language=
c.The probability that all 12 can transact business in a foreign language=
The probability that all 12 can transact business in a foreign language=
Answer:
(x − 2)×(3x+1)
Step-by-step explanation:
We can use this method:

All I did is Subtracting x then adding x which will not affect the result because -x + x = 0