Answered: . They were asked if they "favor or…

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter8: Sequences, Series,and Probability

Section8.7: Probability

Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...

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Question

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,

483

were in favor,

399

were opposed, and

118

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

118

subjects who said that they were unsure, and use a

0.10

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

0.5.

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

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