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Probability, SM-Bank 011 MC

A small disc is thrown onto the grid pictured below.
 

The disc has an equal chance of landing in any square.

Which numbered square is the disc least likely to land in?

  1. 3
  2. 4
  3. 5
  4. All numbers are equally likely
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\(B\)

Show Worked Solution

\(\text{Only 1 square is numbered 4 (all other numbers}\)

\(\text{have 2 squares).}\)

\(\therefore\ \text{The disc is least likely to land on the number 4.}\)

   
\(\Rightarrow B\)