The tax office claims that it takes 60 minutes to fill out their tax form. A researcher
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The tax office claims that it takes 60 minutes to fill out their tax form. A researcher believes that it takes longer than this. A random sample of 20 people are selected, and the recorded times taken to complete the form are listed below.
Use a suitable approximation to test the claim, at the 5% significance level, that the time taken to complete the form is more than 60 minutes.
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To test the claim that the time taken to complete the tax form is more than 60 minutes we will use a ...View the full answer
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Related Book For 
Cambridge International AS & A Level Further Mathematics Coursebook
ISBN: 9781108403375
1st Edition
Authors: Lee Mckelvey, Martin Crozier
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