teachers and 263 high school teach of the elementary sch chers, 221 they were very satisfied with their jobs, whereas 124 of the high school teachers were very satisfied with their work. Estimate the difference between the proportion of all elementary school teachers who are satisfied and all high school teachers who are satisfied by calculating a 95% CI. (Use Pelementary - Phigh school. Round your answers to four decimal places.) USE SALT Interpret your 95% confidence interval. We are 95% confident that the difference between the proportions of elementary school teachers who are satisfied and high school teachers who are satisfied falls outside these values. o We are 95% confident that the difference between the proportions of elementary school teachers who are satisfied and high school teachers who are satisfied falls between these values. We are 95% confident that the difference between the proportions of elementary school teachers who are satisfied and high school teachers who are satisfied falls above the upper bound. We are 95% confident that the difference between the proportions of elementary school teachers who are satisfied and high school teachers who are satisfied falls below the lower bound.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
icon
Related questions
Question
Do teachers find their work rewarding and satisfying? An article reports the results of a survey of 399 elementary
school teachers and 263 high school teachers. Of the elementary school teachers, 221 said they were very satisfied
with their jobs, whereas 124 of the high school teachers were very satisfied with their work. Estimate the difference
between the proportion of all elementary school teachers who are satisfied and all high school teachers who are
satisfied by calculating a 95% CI. (Use Pelementary - Phigh school. Round your answers to four decimal places.)
USE SALT
Interpret your 95% confidence interval.
We are 95% confident that the difference between the proportions of elementary school teachers who are
satisfied and high school teachers who are satisfied falls outside these values.
o We are 95% confident that the difference between the proportions of elementary school teachers who are
satisfied and high school teachers who are satisfied falls between these values.
We are 95% confident that the difference between the proportions of elementary school teachers who are
satisfied and high school teachers who are satisfied falls above the upper bound.
We are 95% confident that the difference between the proportions of elementary school teachers who are
satisfied and high school teachers who are satisfied falls below the lower bound.
Transcribed Image Text:Do teachers find their work rewarding and satisfying? An article reports the results of a survey of 399 elementary school teachers and 263 high school teachers. Of the elementary school teachers, 221 said they were very satisfied with their jobs, whereas 124 of the high school teachers were very satisfied with their work. Estimate the difference between the proportion of all elementary school teachers who are satisfied and all high school teachers who are satisfied by calculating a 95% CI. (Use Pelementary - Phigh school. Round your answers to four decimal places.) USE SALT Interpret your 95% confidence interval. We are 95% confident that the difference between the proportions of elementary school teachers who are satisfied and high school teachers who are satisfied falls outside these values. o We are 95% confident that the difference between the proportions of elementary school teachers who are satisfied and high school teachers who are satisfied falls between these values. We are 95% confident that the difference between the proportions of elementary school teachers who are satisfied and high school teachers who are satisfied falls above the upper bound. We are 95% confident that the difference between the proportions of elementary school teachers who are satisfied and high school teachers who are satisfied falls below the lower bound.
Expert Solution
steps

Step by step

Solved in 3 steps

Blurred answer
Similar questions
Recommended textbooks for you
A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability
A First Course in Probability
Probability
ISBN:
9780321794772
Author:
Sheldon Ross
Publisher:
PEARSON