Confidence interval for proportion
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During the month of July, an auto manufacturer give tis production employees a vacation period so it can tool up for the new model run. In surveying a simple random sample of 200 production workers, the personnel director finds that 38% of them plan to vacation out of state for at least one week during this period. Is this a point estimate or an interval estimate? Explain.
2. The following data values are a simple random sample from a population that is normally distributed, with o squared = 25.0: 47, 43, 33, 42, 34 and 41. Construct and interpret the 95% and 99% confidence intervals for the population mean.
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Solution Summary
The solution provides step by step method for the calculation of Confidence interval for proportion . Formula for the calculation and Interpretations of the results are also included.
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