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Author Question: A population proportion is to be estimated from the sample described. Approximate the 95% confidence ... (Read 181 times)

stevenposner

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on: Jan 18, 2020

Question 1

A population proportion is to be estimated from the sample described. Approximate the margin of error for the 95% confidence interval. Round your answer to four decimal places, if necessary.

A  researcher wishes to estimate the proportion of left-handed people among a certain population. In a random sample of 1000 people from the population, 68.3%  are left-handed. Find the margin of error for the 95% confidence interval.
◦ 0.0009
◦ 0.0147
◦ 0.0208
◦ 0.0294

Question 2

A population proportion is to be estimated from the sample described. Approximate the 95% confidence interval. Round your answer to four decimal places, if necessary.

Sample size = 225, sample proportion = 0.9
◦ 0.8973 < p < 0.9027
◦ 0.8333 < p < 0.9667
◦ 0.8600 < p < 0.9400
◦ 0.8717 < p < 0.9283
Statistical Reasoning for Everyday Life ¦ Bennett, Briggs, Triola ¦ 5th Edition
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Marked as best answer by stevenposner on Jan 18, 2020

sylvia

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Reply #1 on: Jan 18, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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stevenposner

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Reply 2 on: Jan 18, 2020
YES! Correct, THANKS for helping me on my review

patma1981

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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