The probability that an American CEO can transact business in a foreign language is .40. Fourteen...
|
The probability that an American CEO can transact business in a foreign language is .40. Fourteen American CEOs are chosen at random. |
| (a) |
What is the probability that none can transact business in a foreign language? (Round your answer to 4 decimal places.) |
| Probability |
| (b) |
What is the probability that at least two can transact business in a foreign language? (Round your answer to 4 decimal places.) |
| Probability |
| (c) |
What is the probability that all 14 can transact business in a foreign language? (Round your answer to 10 decimal places.) |
| Probability |
Homework Answers
a)probability that none can transact business in a foreign language =(0.60)14 =0.0008
b)
probability at least two can transact business in a foreign language:
| probability = | P(X>=2)= | 1-P(X<=1)= | 1-∑x=0x-1 (nCx)px(1−p)(n-x) = | 0.9919 | |
c)
probability that all 14 can transact business in a foreign language =0.414 =0.0000026844
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