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4MA1/1F Jan 2023, Question 5: Tally Charts and Frequency Tables

Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1F (Foundation) · Calculator · 4 marks

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The question, in short

From a list of 8 noodle packet flavours, find probabilities for Hot and Spicy and describe Vegetarian likelihood; then tally 20 rice preferences into a frequency table.

Summarised in our own words. Use the official paper for the exact wording and the diagram.

Part (ai) · 1 mark

Mark on a 0 to 1 probability scale the chance of randomly picking a Hot and Spicy packet from the 8 listed.

  1. 1Count the number of Hot and Spicy packets: 4
  2. 2Total packets = 8
  3. 3Probability = 4 / 8 = 0.5
  4. 4Mark × at 0.5 on the probability scale

Answer0.5

Part (aii) · 1 mark

Choose the likelihood word for randomly selecting a Vegetarian packet from the 8 packets.

  1. 1Only 1 packet is Vegetarian out of 8
  2. 2Probability = 1/8 = 0.125, which is low
  3. 3Word 'unlikely' best describes this chance

Answerunlikely

Part (b) · 2 marks

Count the 20 rice responses and complete the frequency table for arborio, basmati, jasmine and wild.

  1. 1Count arborio: appears 4 times
  2. 2Count basmati: appears 6 times
  3. 3Count jasmine: appears 7 times
  4. 4Count wild: appears 3 times
  5. 5Complete table with these frequencies

Answerarborio: 4, basmati: 6, jasmine: 7, wild: 3

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