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1. |
From past experience it is known that an investor will invest in security A with a probability of 0.6, will invest in security B with a probability 0.3 and will invest in both A and B with a probability of 0.2 what is the probability that an investor will invest neither in A nor in B? |
A. | 0.7 |
B. | 0.28 |
C. | 0.3 |
D. | 0.4 |
Answer» D. 0.4 | |