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Question 406

Each visitor to a museum buys either an adult ticket, a concession ticket or a child ticket. These outcomes are mutually exclusive. Their probabilities are xxx, 2x 2x\,2x and 0.25 respectively.

a.

Find xxx.

[2]
b.

On a day with 600 visitors, find the expected number who buy each type of ticket.

[3]
Markscheme

2 Statistics Questions

  1. A Level
  2. /Maths
  3. /2 Statistics

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