The table below gives probabilities for various combinations of events A, B, and their complements. Probability of being in each
cell of a two-way table . A not A B 0.4 0.2 not B 0.3 0.1 Find P(A). Enter the exact answer. P(A)= Enter your answer in accordance to the question statement
1 answer:
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Answer:
Step-by-step explanation:
This is a difference of squares that has the form and factors to:
Here take the square root of each term for the factors.