A sample of size n=36 has sample mean x=55 and sample standard deviation s =8.3.Part: 0/ 2Part 1 of 2(a) Construct a 99% confidence interval for the population mean u. Enter the values for the lower and upper limits and the mean tograph. Round the answers to one decimal place.99% confidence interval45.064.054.545.064.0 Part 2 of 2(b) If the sample size were n=49, would the confidence interval be narrower or wider?The confidence interval would be (Choose one)narrowerwider

Find 99% CI for population mean μ

Answered: A sample of size n=36 has sample mean…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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One year, the mean age of an inmate on death row was 40.5 years. A sociologist wondered whether the mean age of a death-row inmate has changed since then. She randomly selects 32 death-row inmates and finds that their mean age is 39.4, with a standard deviation of 9.5. Construct a 95% confidence interval about the mean age. What does the interval imply? Question Help v E Click the icon to view the table of critical t-values. Choose the correct hypotheses. Ho: O Table of Critical t-Values %3D H: (Type integers or decimals. Do not round.) Area in vight tail -Distribution Area in Right Tail Degrees of Freedom 0.25 0.20 0.15 0.10 0.05 0.025 0.02 001 0.005 0.0025 0.001 0.0005 1.000 1.376 1.061 0.978 0.941 0.920 1.963 1.386 1.250 1190 1.156 3.078 1886 1638 1.533 1476 6.314 12.706 15.894 4849 3.482 2.999 2.757 2.612 2.517 2.449 2.398 2.359 2.328 2.303 2282 2.264 2.249 31821 63657 6.965 4.541 3.747 3.365 127321 318.309 636.619 22.327 10.215 Z173 5.893 5.208 4.785 4.501 4.297 4.144 2 0816 0.765…
You want to estimate the mean weight of quarters in circulation. A sample of 60 quarters has a mean weight of 5.682 grams and a standard deviation of 0.061 gram. Use a single value to estimate the mean weight of all quarters. Also, find the 95% confidence interval for the average weight of all quarters. The estimate for the mean weight of all quarters is (Round to three decimal places as needed.) grams. Find the 95% confidence interval for the mean weight of all quarters. grams < p< grams (Round to three decimal places as needed.)
please sir solve last the two parts
You want to estimate the mean weight of quarters in circulation. A sample of 40 quarters has a mean weight of 5.626 grams and a standard deviation of 0.059 gram. Use a single value to estimate the mean weight of all quarters. Also, find the 95% confidence interval for the average weight of all quarters. The estimate for the mean weight of all quarters is (Round to three decimal places as needed.) an example Get more help - grams. Clear all
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Find the value for each ta/2 Prompts Submitted Answers n = 18 for the 99% confidence interval for the Choose a match mean. n = 10 for the 90% confidence interval for the Choose a match mean. n = 15 for the 98% confidence interval for the Choose a match mean.
Just need help with part 3, thank you!
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Match to the appropriate answer. You will not use all options and you may not use each option more than once. Dummy variable Coefficient (beta) Correlation coefficient Heteroscedasticity p-value R² + Residual A. Used with categorical variable B. Lower value means statistical significance at a higher confidence level. C. When the distribution of residuals does change as the independent variable changes. D. Higher value means statistical significance at a higher confidence level. E. Difference between the predicted and observed values. F. When the distribution of residuals does not change as the independent variable changes. G. Min=-1, Max=1 H. Min-0, Max=1 1. Used to determine how much dependent variables changes if independent variable changed.
statistic please answer

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