Question

A survey conducted by Conquest Communications Group randomly sampled 700 registered voters in the U.S. 258 of the 700 sampled voters correctly answered that fourth graders in the U.S. are above average for overall education compared to other countries. Confidence 95%. 1. What sample size is required if a margin of error of 4% is desired using the confidence level chosen in #1 above?

Name: a survey conducted by conquest communications group randomly sampled 700 registered voters in the us 258 of the 700 sampled voters correctly answered that fourth graders in the us are above 26434
Uploaded: 2023-08-19T09:47:19-08:00
Duration: 2 min 7 s
Channel: Anna D.
Description: a survey conducted by conquest communications group randomly sampled 700 registered voters in the us 258 of the 700 sampled voters correctly answered that fourth graders in the us are above 26434

          A survey conducted by Conquest Communications Group randomly sampled 700 registered voters in the U.S. 258 of the 700 sampled voters correctly answered that fourth graders in the U.S. are above average for overall education compared to other countries. Confidence 95%. 1.     What sample size is required if a margin of error of 4% is desired using the confidence level chosen in #1 above?

Added by Patricia P.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Anna D.

08/19/2023

Step 1

96 - Observed sample proportion: p̂ = 258/700 ≈ 0.369 - Desired margin of error (MOE): 0.04 Show more…

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A survey conducted by Conquest Communications Group randomly sampled 700 registered voters in the U.S. 258 of the 700 sampled voters correctly answered that fourth graders in the U.S. are above average for overall education compared to other countries. Confidence 95%. 1. What sample size is required if a margin of error of 4% is desired using the confidence level chosen in #1 above?