D) 28 is the right answer
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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=
45 hundredths is greayer than 6 tenth because 45 is in the hundredths spot and 6 is in the tenth spot
45 - 11i is the answer! And make sure you double check.
The measure of angle ABC is 100 because all you do is add the 60 to the 40 and get 100.