Week 5 (7-9)

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School

American Military University *

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Course

302

Subject

Statistics

Date

Feb 20, 2024

Type

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Pages

Uploaded by Philly040404

. ChatGPT @ Week 5 Knowledge Check Homework Practice Questions < Back to Content = Week 5 Knowledge Check Homework Practice Questions @ @ wuesuLn £ v/ o1 punn Select the correct answer for the blank: If everything else stays the same, the required sample size ____ as the confidence level decreases to reach the same margin of error. Answer: % (o) Increases = () Decreases Remains the same Question 8 1/ 1 point A recent study of 750 Internet users in Europe found that 35% of Internet users were women. What is the 95% confidence interval estimate for the true proportion of women in Europe who use the Internet? 0.309 to 0.391 0.305 to 0.395 v(s)0.316 to 0.384 0.321 to 0.379 ¥ Hide question 8 feedback Z-Critical Value = NORM.S.INV(.975) = 1.96 LL=0.35-1.96" .35 % .65 750 UL=0.35+1.96* .35 x .65 750 Question 9 1/ 1 point In a random sample of 80 people, 52 consider themselves as baseball fans. Compute a 95% confidence interval for the true proportion of people consider themselves as baseball fans and fill in the blanks appropriately. We are 95% confident that the true proportion of people consider themselves as baseball fans is between 545 __ (50 %) and 755 __ (50 %) . (round to 3 decimal places) ¥ Hide question 9 feedback Z-Critical Value = NORM.S.INV(.975) = 1.96 LL=0.65-1.96"

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