Don't get it!! :(

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Questions

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In a sample of 100 steel wires the average breaking strength is 50 kN, with a standard deviation of 2 kN. a. Find a 95% confidence interval for the mean breaking strength of this type of wire. b. An engineer claims that the mean breaking strength is betwe...
13 years ago

Answers

The following answers were posted by visitors named Don't get it!! :(.