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Edexcel IAL Mathematics S2.4.3 concept and interpretation of hypotheses

Practise the concept and interpretation of hypotheses by translating a stated claim into suitable null and alternative hypotheses.

Syllabus
First assessment 2019
Course
Mathematics YMA01
Level
A2

Exam points

  • Match the alternative hypothesis to the claim direction, with equality kept only in H0.

S2.4.3 - Concept and interpretation question 1

[Maximum number: 3]

A photocopier in a school is known to break down at random at a mean rate of 8 timess per week.

Question (a)

(a)

Write down suitable null and alternative hypotheses that the headteacher should use.

The refurbished photocopier was monitored for the first week after it was installed.

[ 1 ]

Question (b)

(b)

Comment on this finding in the light of the critical region found in part (c).

[ 2 ]
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