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Company A has probability .07 of defaulting. Company B has probability of .001 of defaulting. Assume...

Company A has probability .07 of defaulting. Company B has probability of .001 of defaulting. Assume that the event that company A defaults is independent of the event that company B defaults.

a) What is the probability that both company A and company B defaults?

b) What is the probability that either company A or company B or both default?

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Answer #1

If A and B are independent events , then

P(A cap B) = P (A) . P(B)

and

p(A cup B) = P(A) + P(B) - P(A) . P(B)

kat ewots and he (A-7 f(B)二0.01 Giveo iadeperdet eveats 0-1 x 0 ol O.007 -o.7 +0.01 ㅡㅡ (0.7 x 0.01)

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