An oil exploration company currently has two active projects, one in Asia and the other in Europe. Let A be the event that the Asian project is successful and B be the event that the European project is successful. Suppose that A and B are independent events with P(A) = 0.8 and P(B) = 0.2.a. If the Asian project is not successful, what is the probability that the European project is also not successful? Explain your reasoning. b. What is the probability that at least one of the two projects will be successful?c. Given that at least one of the two projects is successful, what is the probability that only the Asian project is successful? (Round your answer to three decimal places.)

a) P(B^c)=0.8

b) P(A∪B)=0.84

c) P=0.762

Step-by-step explanation:

Let A be the event that the Asian project is successful and B be the event that the European project is successful.  

We know that A and B are independent events with probability

P(A) = 0.8  

P(B) = 0.2

We know that

P(A∩B)=P(A)·P(B)=0.8·0.2=0.16

a) We know that A and B are independent events, we get

P(B^c)=1-P(B)=1-0.2=0.8

P(B^c)=0.8

b) P(A∪B)=P(A)+P(B)-P(A∩B)

P(A∪B)=0.8+0.2-0.16

P(A∪B)=0.84

The probability that at least one of the two projects will be successful is  P(A∪B)=0.84

c)  If at least one of the two projects is successful, what is the probability that only the Asian project is successful. We calculate probability

P=\frac{P(A)-P(A∩B)}{ P(A∪B)}

P=(0.8-0.16)/0.84

P=0.64/0.84

P=0.762

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what is the approximate angle of acb if abc is 25cm and the length of segment bc is 15

step-by-step explanation: