a) Using a sample size of 75, construct a 95% confidence interval estimate of the mean birth weight in the Apple County. b) Using a sample size of 75,000, construct a 95% confidence interval estimate of the mean birth weight in the Apple County. c) Which of the preceding confidence intervals is wider? Why?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
icon
Related questions
Question

psda q1

1.
A study has been conducted to verify the mean of birth weight at Apple County. From the
simple random sample collected, the mean was 3.433 kg and the standard deviation of all
birth weights is 495 g.
a) Using a sample size of 75, construct a 95% confidence interval estimate of the mean
birth weight in the Apple County.
b) Using a sample size of 75,000, construct a 95% confidence interval estimate of the
mean birth weight in the Apple County.
c) Which of the preceding confidence intervals is wider? Why?
Transcribed Image Text:1. A study has been conducted to verify the mean of birth weight at Apple County. From the simple random sample collected, the mean was 3.433 kg and the standard deviation of all birth weights is 495 g. a) Using a sample size of 75, construct a 95% confidence interval estimate of the mean birth weight in the Apple County. b) Using a sample size of 75,000, construct a 95% confidence interval estimate of the mean birth weight in the Apple County. c) Which of the preceding confidence intervals is wider? Why?
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning