Question

A total of 500 voters are randomly selected and asked whether they plan to vote for the Democratic incumbent or the Republican challenger in an upcoming statewide election. Of the 500 surveyed, 350 said they would vote for the Democratic incumbent. Using the 0.95 confidence level, what are the confidence limits for the proportion that plan to vote for the Democratic incumbent?

Name: a total of 500 voters are randomly selected and asked whether they plan to vote for the democratic incumbent or the republican challenger in an upcoming statewide election of the 500 surveye 79723
Uploaded: 2022-01-25T17:56:26-08:00
Duration: 3 min 38 s
Channel: Prabhat Tyagi
Description: a total of 500 voters are randomly selected and asked whether they plan to vote for the democratic incumbent or the republican challenger in an upcoming statewide election of the 500 surveye 79723

          A total of 500 voters are randomly selected and asked whether they plan to vote for the Democratic incumbent or the Republican challenger in an upcoming statewide election. Of the 500 surveyed, 350 said they would vote for the Democratic incumbent. Using the 0.95 confidence level, what are the confidence limits for the proportion that plan to vote for the Democratic incumbent?

Added by Jared L.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Prabhat Tyagi

01/25/2022

Step 1

\[ \hat{p} = \frac{\text{number who plan to vote Democratic}}{\text{total surveyed}} = \frac{350}{500} = 0.7 \] Show more…

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A total of 500 voters are randomly selected and asked whether they plan to vote for the Democratic incumbent or the Republican challenger in an upcoming statewide election. Of the 500 surveyed, 350 said they would vote for the Democratic incumbent. Using the 0.95 confidence level, what are the confidence limits for the proportion that plan to vote for the Democratic incumbent?