1. Create 85% confidence interval for a population proportion from a sample of size 86 with sample proportion p^=52/86.
2. Create confidence interval for a population proportion for a point estimate of 0.5 with a margin of error equal to $0.08.
3. Below is a 80% confidence interval for a population proportion from a sample of size 98 with sample proportion p=54/98. (0.487,0.615) Margin of error=
4. Determine the sample size necessary to construct a 95% confidence interval with an error of 0.11 if the sample proportion isp p^=29/73 n=
5. Determine the sample size necessary to construct a 75% confidence interval with an error of $0.06 if the sample proportion is unknown. n=
6. Create 95% confidence interval for a population mean from a sample of size 59 with sample meanx= 9.4. The population standard deviation is known to be= 1.88.
7. Create confidence interval for a population mean from a sample of size 50 with sample mean x= 9.5 if the margin of error is know to be $1.05.
8. Determine the sample size necessary to construct a 75% confidence interval with an error of 0.43 if the population standard deviation is known to be= 3.14.
9. Determine the positive z-score for a 99% confidence interval. positive z=
10. Given confidence interval, (59.625, 68.175), determine the point estimate and the margin of error. point estimate= Margin of Error=
11. Create 99% confidence interval for a population mean from a sample of size 19 with sample meanx= 6 and sample standard deviation S = 0.6.
12. Determine the t-score for a 95% confidence interval for a population mean from a sample of size 6. t=
13. Create 99% confidence interval for the data set below. 40 39 42 51 33 38 46 48 38 37 39 47 40