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Question 470:

A telescope manufacturer wants its telescopes to have standard deviations in resolution to be significantly below 2 when focusing on objects 500 light-years away. When a telescope is used to focus on an object 500 light years away 30 times, the sample standard deviation turns out to be 1.46.
a.State explicit null and alternate hypotheses
b.Test your hypothesis at the =0.01 level.

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