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Choose a confidence interval

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Suppose the true meaning of an incoming lot of steel bars is 10,038 psi. What is the probability that the quality control inspector will except the bars as having a "true" mean of 10,000 psi. What is the probability of making a type II error? The number of observations in the sample is 100. The standard deviation is 400 psi. Choose a confidence interval of 95%.

Reference no: EM132495397

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