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Construct 99 Confidence Interval. If you are working with the summary statistics the command is cii 9 4 3 level99. X 128 x 128 s 40 and n 5. For example Confidence Level df t critical value 90 15 175. Find the lower and upper bound of a 99 confidence interval for the population proportion.
Critical Value 005 1645 0025 999 Print Done. Construct the 99 confidence interval for the population mean. Conclusion Confidence Interval Z 90 1645 95 1960 99 2576 995 2807. Construct a 99 confidence interval for the average bond rate in Problem 129 for a prime interest rate of 10. From the above illustration it can be seen that the confidence interval of a sample spreads out with the increase in confidence level. For each set of sample outcomes below construct the 99 confidence interval for estimating P u.
If convenient use technology to construct the confidence interval.
From the above illustration it can be seen that the confidence interval of a sample spreads out with the increase in confidence level. Therefore the confidence interval at 99 confidence level is 317 to 343. Construct a 99 confidence interval of the population proportion using the given information X 160 n 200 Click here to view the table of critical values The lower bound is The upper bound is Round to three decimal places as needed eaceae Level of Confidence - 100 Area in Each Tail. Conclusion Confidence Interval Z 90 1645 95 1960 99 2576 995 2807. X 128 x 128 s 40 and n 5. A random sample of 14 bowlers showed that their.