Identify the population, the sample, and any population parameters or sample statisticsin the given scenario.A recent poll of 1215 corporate executives showed that the average price of acorporate executive's car is $45,599.12.A) Population: corporate executives; Sample: none given; Population Parameter:$45,599B) Population: corporate executives; Sample: 1215 corporate executives polled;Sample Statistic: $45,599C) Population: none given; Sample: 1215 corporate executives polled; SampleStatistic: $45,599D) Population: corporate executives; Sample: 1215 corporate executives polled%3BPopulation Parameter: $45,599

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Answered: Identify the population, the sample,…

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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Please answer questions below Below is a sample of 64 responses of a survey of Ward 3 residents in Washington, D.C. The survey asked "Do you support the statehood of Washington, D.C.?" "Yes" was recorded as "1" and "No" was recorded as "0" in the table. Statehood? a. What is the sample proportion of residents who support DC statehood? 1 1 1 1 0 1 b. If the population proportion of residents who support DC statehood is 0.7, 1 what is the standard error of the proportion? 0 0 0 1 1 c. Is the sampling distribution of the proportion normally distributed? 0 1 1 0 1 d. What is the probability of a sample proportion being greater than 1 the value of…
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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 95% confident that his estimate is in error by no more than three percentage points? Complete parts (a) through (c) below.Question content area bottomPart 1a) Assume that nothing is known about the percentage of computers with new operating systems. n=enter your response here (Round up to the nearest integer.)Part 2b) Assume that a recent survey suggests that about 96% of computers use a new operating system.n=enter your response here (Round up to the nearest integer.)Part 3c) Does the additional survey information from part (b) have much of an effect on the sample size that is required?A.Yes, using the additional survey information from part (b) dramatically reduces the sample size.B.Yes, using the additional survey information…
1. Fill in the blanks for each of the statements below. а. A survey of 1000 U.S. adults found that 40% think the internet is the best way to get news and information. Population: Sample: Variable of Interest: Type of Data (Qualitative or Quantitative): Is the 40% a parameter or statistic, and why? b. A survey of the 55 law firms in a local city found that the average hourly billing rate is $425. Population: Sample: Variable of Interest: Type of Data (Qualitative or Quantitative): Is the $425 a parameter or statistic, and why?.
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