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Question: Answered & Verified by Expert
A point is chosen at random inside a rectangle measuring 6 inches by 5 inches. What is the probability that the randomly selected point is at least one inch from the edge of the rectangle?
MathematicsProbabilityNDANDA 2016 (Phase 1)
Options:
  • A $\frac{2}{3}$
  • B $\frac{1}{3}$
  • C $\frac{1}{4}$
  • D $\frac{2}{5}$
Solution:
2970 Upvotes Verified Answer
The correct answer is: $\frac{2}{5}$


Probability that the randomly selected point is at least one inch from the edge of the rectangle $=\frac{4 \times 3}{6 \times 5}=\frac{12}{30}=\frac{2}{5}$

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