Provide an appropriate response.A senator wishes to estimate the proportion of United States voters who favor new road construction. What size sample should be obtained in order to b98% confident that the sample proportion will not differ from the true proportion by more than 5%?O 5431086O 12385

Solution: Given information: Margin of error= E= 5%= 0.05 Confidence level =C = 98% = 0.98 Level of…

Answered: Provide an appropriate sponse. A…

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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You are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you survey? Assume that you want to be 90% confident that the sample percentage is within 1.5 percentage points of the true population percentage. Complete parts (a) and (b) below. a. Assume that nothing is known about the percentage of passengers who prefer aisle seats. n= (Round up to the nearest integer.) nter corr
A survey of 1060 Americans found that 624 drive to work. a. What is n? b. What is x? c. Many textbooks use the symbol p to represent a sample proportion. What is p? Round to three decimals. Submit Question
11.
You are the operations manager for an airline and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you survey? Assume that you want to be 90% confident that the sample percentage is within 5.5 percentage points of the true population percentage. Complete parts (a) and (b) below. a. Assume that nothing is known about the percentage of passengers who prefer aisle seats. (Round up to the nearest integer.) b. Assume that a prior survey suggests that about 38% of air passengers prefer an aisle seat. (Round up to the nearest integer.)
Many states are carefully considering steps that would help them collect sales taxes on items purchased through the Internet. How many randomly selected sales transactions must be surveyed to determine the percentage that transpired over the Internet? Assume that we want to be 99% confident that the sample percentage is within two percentage points of the true population percentage for all sales transactions. n = (Round up to the nearest integer.)
A programmer plans to develop a new software system. In planning for the operating system that he will use, he needs to estimate the percentage of computers that use a new operating system. How many computers must be surveyed in order to be 99% confident that his estimate is in error by no more than four percentage points? Complete parts (a) through (c) below. a) Assume that nothing is known about the percentage of computers with new operating systems. n= (Round up to the nearest integer.)
A. What is the total with the disease? B. What is the number with the disease that test positive? C. What is the number without the disease that test positive. D. Determine P(Have the Disease | Tested Positive). Please help and answer all parts using the chart attached
A programmer plans to develop a new software system. In planning for the operating system that he will use, he needs to estimate the percentage of computers that use a new operating system. How many computers must be surveyed in order to be 99% confident that his estimate is in error by no more than two percentage points question mark Complete parts (a) a) Assume that nothing is known about the percentage of computers with new operating systems.
1. The United States Environmental Protection Agency6 reports that in 2006, each American generated 4.6 pounds of solid waste a day. (a) Does this mean every single American pro duces the same amount of garbage? What do you think this statement means? (b) Was the number 4.6 obtained from a sam ple? Explain. (c) How would you select a sample?

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