Answered: Assume that adults were randomly…

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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Assume that adults were randomly selected for a poll. They were asked if they "favor or oppose using federal tax dollars to fund medical research using stem cells obtained from human embryos." Of those polled,

488488

were in favor,

402402

were opposed, and

119119

were unsure. A politician claims that people don't really understand the stem cell issue and their responses to such questions are random responses equivalent to a coin toss. Exclude the

119119

subjects who said that they were unsure, and use a

0.100.10

significance level to test the claim that the proportion of subjects who respond in favor is equal to

0.50.5.

What does the result suggest about the politician's claim?

This is the null hypothesis

Upper H 0H0:

pequals=0.50.5

Upper H 1H1:

pnot equals≠0.5

Identify the test statistic for this hypothesis test.

P value?

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