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Probability, SM-Bank 022

Bonny draws the number 1 or 2 on a group of discs, as pictured below.
 

 

 
One disc is chosen at random.

What is the chance the disc has a 2 drawn on it?  (1 mark)

--- 2 WORK AREA LINES (style=lined) ---

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\(\dfrac{5}{18}\)

Show Worked Solution
\(P\text{(2)}\) \(=\dfrac{\text{Number of 2’s}}{\text{Total discs}}\)
  \(=\dfrac{5}{18}\)

Filed Under: Probability Tagged With: num-title-ct-core, smc-4225-15-Single-stage events

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