1. In a(n)by the researcher.A) censusB) experimentC) observational studyD) sample surveythe environments of the subjects are controlled or manipulated2. A Gallup Poll recently showed that 69% of Americans believe there is a hell. (Thequestion was, "Please tell whether hell is something you believe in, something you'renot sure about, or something you don't believe in.") The poll contacted 1,003 adults bytelephone. The margin of sampling error was plus or minus three percentage points.Assume a 95% confidence level and no bias. The population for this sample survey isA) all adult residents of the United States.B) the 1,003 people who answered the question.C) all households in the United States.D) the 69% who answered "Yes" to the question.

1.It is needed to discuss whether the given scenario is a census, or experiment, or observational…

Answered: the environments of the subjects are…

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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Part an and b please.

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