Edexcel FS1 AS 2019 June — Question 2

Exam BoardEdexcel
ModuleFS1 AS (Further Statistics 1 AS)
Year2019
SessionJune
TopicChi-squared distribution
  1. A spinner used for a game is designed to give scores with the following probabilities
Score12346
Probability\(\frac { 3 } { 10 }\)\(\frac { 1 } { 10 }\)\(\frac { 1 } { 10 }\)\(\frac { 2 } { 5 }\)\(\frac { 1 } { 10 }\)
The spinner is spun 80 times and the results are as follows
Score12346
Frequency15412418
Test, at the \(10 \%\) level of significance, whether or not the spinner is giving scores as it is designed to do. Show your working and state your hypotheses clearly.
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