A random sample of 38 wheelchair users were asked whether
Chapter 10, Problem 10.1.20(choose chapter or problem)
A random sample of 38 wheelchair users were asked whether they preferred cushion type A or B, and 28 of them preferred type A whereas only 10 of them preferred type B. Use a hypothesis test to assess whether it is fair to conclude that cushion type A is at least twice as popular as cushion type B.
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