Find the confidence level and a for an 86% confidence interval.What is the confidence level?(Type an integer or a decimal.)Determine the value of a.(Type an integer or a decimal.)

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Answered: Find the confidence level and a for an…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The 90% confidence interval for the population proportion p is The 95% confidence interval for the population proportion p is With the given confidence, it can be said that the of adults who say they have made a New Year's resolution is of the given confidence interval. Compare the widths of the confidence intervals. Choose the correct answer below. A. The 90% confidence interval is wider. B. The 95% confidence interval is wider. C. The confidence intervals are the same width. D. The confidence intervals cannot be compared.
Construct the confidence interval for the population meanu. c=0.95, x= 15.4, G=3.0, and n= 65 A 95% confidence interval for u is ( D. (Round to one decimal place as needed.) Enter your answer in each of the answer boxes. MacBook Air 80 888 esc F1 F3 F4 FS # $ % & 1 2 3 4 5 6 7 8 Q W E T Y A S F J K V command opt option command v - : ※口

PRACTICE ANOTHER Use the Student's t distribution to find tc for a 0.95 confidence level when the sample is 17. (Round your answer to three decimal places.)
Decreasing the sample size while the confidence level remains the same, will do what to the length of your confidence interval? A. cannot be determined from the given information B. make it bigger C. it will stay the same D. make it smaller
Directions: Use the acronym PANIC to find the confidence intervals. 1. In a study conducted of proctored and non-proctored Algebra tests, researchers obtained the following results: Proctored: n = 30, x = 74.30, s = 12.87 Non Proctored: n = 32, x = 74.26, s = 18.15 Construct and interpret a 98% confidence interval for the data.
Using the t-table, give the confidence coefficient. n=12 , CL = 95%
A 99% confidence interval for the mean population height of male college freshman is calculated from a random sample of 50, and the confidence interval is (64,74) inches. Select all answers that apply. 2 For the instructor, this was question 28. Choose all that apply. Interpretation: 99% of the time the population mean lies between 64 inches to 74 inches Interpretation: 99% of the confidence intervals will contain the population mean. The population mean is random. The confidence interval is random. A 90% confidence interval will be shorter in length. A 90% confidence interval will be longer in length.
Fill in the table. Interval number 1 2 3 4 5 6 Probability the true value of Confidence Level (C) the population parameter is NOT in the interval. 99% 75% Which interval is the widest? % de do % % % Which interval is the narrowest? 9% 16% % % % % Probability the true value of the population parameter IS in the interval. 92% 80% Enter the number of the interval. Enter the number of the interval. % % do % % True of false: Assuming all the confidence intervals are made with the same data they will have the same center but different widths. Enter T for true or F for false.
Identify a question you would like to answer using statistics which may be answered using a confidence interval in plain English. Example: What is the average GPA of an incoming student at MC Identify the parameter related to your question and its symbol and its name. Example: m, mean identify the statistic related to your question and its symbol Example: x(bar), sample mean List your data(try to get at least 10 in your sample). Example: 3.28, 2.41, 3.64, 1.28,3.56, 2.57, 3.10,2.94, 2.45, 3.16, 2.45 Describe your population of inteeest. Example: All students at MC Describe your sample. Example: 11 Studens in my statistics class Comment on how you obtained your sample Example: Conducted an email survey of the students in my statistics class Comment on the bias in your sample Example; This sample is biased since it is only people in math 117, who need certain perquisites to take the course, this underrepresents students without the…
Find the confidence level and a for an 85% confidence interval. What is the confidence level? (Type an integer or a decimal.)
A researcher wants to conduct an experimental study on the effect of learning strategies (cooperative and conventional) and learning interest (low, medium, and high) on learning outcomes. The total number of research samples is 90 students and each cell is 15 students. You determine the research data on the learning outcomes yourself. Interpret the results of the research data analysis.
Determine the confidence level. Determine the confidence level for confidence interval shown in the figure below. 5-10 =.10 98% 95% 90% 80% arch Cc F2 F3 F4 F5 F6 F7 F8 F9 F10 & 4. 5 * 00 %#3

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Find the confidence level and a for an 86% confidence interval. What is the confidence level? (Type an integer or a decimal.) Determine the value of a. (Type an integer or a decimal.)