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Probability, SM-Bank 047

Sharon made 24 milkshakes at her nephew's birthday party. The milkshakes were either vanilla or chocolate.

All the milkshakes were served in an aluminium cup and looked the same.

Murray took one milkshake and had a 1 in 8 chance of taking a vanilla milkshake.

How many chocolate milkshakes did Sharon make?  (2 marks)

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\(21\)

Show Worked Solution

\(\text{Number of vanilla milkshakes}\)

\(=\dfrac{1}{8}\times 24\)

\(=3\)
 

\(\therefore\ \text{Number of chocolate}\)

\(=24-3\)

\(=21\)

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

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