### Top 10 Results

1.**If the 98% confidence limits for the population mean are 73 and 80, which of the following could be the 95% confidence limits?**

6. If the 98% confidence limits for the population mean are 73 and 80, which of the following could be the 95% confidence limits? a. 73 and 81 b. 72 and 79 c. 72 and 81 d. 74 and 79 7. A 95% confidence interval for the mean reading achievement score for a population of third grade students is (44.2, 54.2).

2.**If the 98% confidence limits for the population mean are 73 and 80, which of the following could be the 95% confidence limits?**

If the 98% confidence limits for the population mean are 73 and 80, which of the following could be the 95% confidence limits? a. 73 and 81. b. 72 and 79. c. 72 and 81. d. 74 and 79. e. none of these. 9. A 95% confidence interval for the mean reading achievement score for a population of third grade students is (44.2, 54.2).

3.**If the 98% confidence limits for the population mean are 73 and 80, which of the following could be the 95% confidence limits?**

6. If the 98% confidence limits for the population mean are 73 and 80, which of the following could be the 95% confidence limits? a. 73 and 81 b. 72 and 79 c. 72 and 81 d. 74 and 79 7. A 95% confidence interval for the mean reading achievement score for a population of third grade students is (44.2, 54.2).

https://www.math.uh.edu/~caputo/MATH%202311/2311%20Homework_files/Homework%209.pdf

4.

If the 98 percent confidence limits for the population mean µ are 73 and 80, which of the following could be the 95 percent confidence limits? (a) 73 and 81 (b) 72 and 79 (c) 72 and 81 (d) 74 and 79. D. 7. A 90 percent confidence interval for a population mean indicates that

5.

A 95% confidence interval for the mean of a population is to be constructed and must be accurate to within 0.3 unit. A preliminary sample standard deviation is 2.3. The smallest sample size n that provides the desired accuracy is a) 230 b) 226 c) 215 d) 223 e) 232 f) None of the above Question 5

https://www.math.uh.edu/~cathy/Math2311/Lectures/notes_nov19.pdf

6.

A 95% confidence interval for the mean of a population is to be constructed and must be accurate to within 0.3 unit. A preliminary sample standard deviation is 1.5. The smallest sample size n that provides the desired accuracy is a) 97 b) 91 c) 109 d) 101 e) 93 f) None of the above Question 5 Your answer is CORRECT.

https://www.math.uh.edu/~irina/MATH2311/2311QuizHelp/quiz11help.PDF

7.

8. If the 98% confidence limits for the population mean are 73 and 80, which of the following could be the 95% confidence limits? a. 73 and 81. b. 72 and 79. c. 72 and 81. d. 74 and 79. e. none of these. 9. A 95% confidence interval for the mean reading achievement score for a population of third grade students is (44.2, 54.2).

8.

This is an online Confidence Limits for Mean calculator to find out the lower and upper confidence limits for the given confidence intervals. In this confidence limits calculator enter the percentage of confidence limit level, which ranges from 90 % to 99 %, sample size, mean and standard deviation to know the lower and upper confidence limits.

https://www.easycalculation.com/statistics/confidence-limits-mean.php

9.

had a “HR” (see below) with a mean of 0.92, and a 95% Confidence Interval (95% CI) of 0.88 to 0.97 (which is also 0.92±0.05) “HR” is a measure of health benefit (lower is better), so it says that the true benefit of exercise for the wider population of men has a 95% chance of being between 0.88 and 0.97

10.

9.1 – Confidence Intervals for a Population Proportion. A random sample is gathered to estimate the percentage of American adults who believe that parents should be required to vaccinate their children for diseases like measles, mumps, and rubella. We know that estimates arising from surveys like that are random quantities that vary from sample …

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