Answer:
A.Marginal probability: the probability of an event occurring (p(A)), it may be thought of as an unconditional probability. It is not conditioned on another event. Example: the probability that a card drawn is red (p(red) = 0.5).
B. The P/B ratio measures the market's valuation of a company relative to its book value. The market value of equity is typically higher than the book value of a company, P/B ratio is used by value investors to identify potential investments. P/B ratios under 1 are typically considered solid investments.
C.???
D. .P(A U B) is the probability of the sum of all sample points in A U B. Now P(A) + P(B) is the sum of probabilities of sample points in A and in B. Since we added up the sample points in (A ∩ B) twice, we need to subtract once to obtain the sum of probabilities in (A U B), which is P(A U B).
Step-by-step explanation:
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