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Edexcel IGCSE Math A 6.3.B probability scale

Practise probability-scale questions by placing a probability on the scale, comparing values and linking fractions to chance.

Syllabus
First assessment 2018
Course
Math A 4MA1
Level
Higher

Exam points

  • Mark a probability on a 0 to 1 probability scale at the correct position.
  • Compare probabilities for events such as counters, balls, cars or spinner colours.
  • Use the scale to connect impossible, even chance and certain with numerical values.

6.3.B The probability scale question 1

[Maximum number: 2]

A biased spinner has three sections each of a different colour.
The table shows the probability that, when the spinner is spun once, it will land on blue or on orange or on white.

Table for Question 6.3.B The probability scale question 1 — Edexcel IGCSE Math A Higher

Work out the value of x

x=

The spinner is spun 250 times.

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