Question: More repairs: A sample a component showed the following costs: 93 97 27 79 81 87 a. Construct a 90% confidence interval for the mean

More repairs: A sample

a component showed the following costs: 93 97 27 79 81 87
a. Construct a 90% confidence interval for the mean cost of a repair for this type of component.
b. Is there any evidence to suggest that this confidence interval may not be reliable? Explain.

93 97 27 79 81 87

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