Question

A researcher has to consult a recently published book. The probability of it being available is 0.5 for library A and 0.7 for library B. Assuming the two events to be statistically independent, what is the probability of the book being available in library A and not available in library B?

A 0.7 Correct Answer Incorrect Answer
B 0.9 Correct Answer Incorrect Answer
C 0.3 Correct Answer Incorrect Answer
D 0.15 Correct Answer Incorrect Answer
E 0.21 Correct Answer Incorrect Answer

Solution

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