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4MA1/1F Jan 2021, Question 8: 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

Complete a two-way table for 60 noodle meals by noodle type and cooking method, then find the probability a randomly chosen person ate Fried Udon.

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

Part (a) · 3 marks

Fill in the missing cell values in the two-way table using the given totals and counts.

  1. 1Fried total = 60 − 31 = 29
  2. 2Boiled Udon = 15 − 7 = 8 (from the Udon column)
  3. 3Boiled Soba = 31 − 18 − 8 = 5 (from the Boiled row)
  4. 4Fried Ramen = 29 − 12 − 7 = 10 (from the Fried row)
  5. 5Ramen total = 18 + 10 = 28
  6. 6Soba total = 5 + 12 = 17
  7. 7Check the totals: 28 + 17 + 15 = 60
  8. 8Boiled: 18, 5, 8, total 31; Fried: 10, 12, 7, total 29; Totals: 28, 17, 15, 60

AnswerRamen Soba Udon Total Boiled 18 5 8 31 Fried 10 12 7 29 Total 28 17 15 60

Part (b) · 1 mark

State the probability that a randomly selected person from the 60 ate Fried Udon noodles.

  1. 17 people ate Fried Udon
  2. 2Probability = 7 / 60

Answer7/60

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