How does poetry play an important role in mathematics?
1 answer:
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For this case we have the following expression:
We eliminate the parentheses taking into account that:
We add similar terms:
Different signs are subtracted and the sign of the major is placed:
Finally, the expression is reduced to:
Answer:
Option B
The probability that the selected ball is from the second box (with a probability of 0.2) and (which means multiplication in probability terms) brown (with a probability of 0.5 from same box, having equal number of brown and yellow balls) will be 0.1 ( meaning 0.5 × 0.2)
