Smartphones. Many people have trouble setting up all the features of their smartphones, so a company has
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Smartphones. Many people have trouble setting up all the features of their smartphones, so a company has developed what it hopes will be easier instructions. The goal is to have at least 96% of customers succeed. The company tests the new system on 200 people, of whom 188 were successful. Is this strong evidence that the new system fails to meet the company’s goal? A Student’s test of this hypothesis is shown. How many mistakes can you find?
There is strong evidence the new instructions don’t work.
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Related Book For
Business Statistics
ISBN: 9781292269313
4th Global Edition
Authors: Norean Sharpe, Richard De Veaux, Paul Velleman
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