The heights of the 1320 lower school students at Poole High School are normally distributed with mean µ and with a standard deviation of 10cm. A sample of size 25 is taken and the mean height of the sample is found to be 161cm. a.) Find the 95% confidence interval for the height of the students.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
icon
Related questions
Question
The heights of the 1320 lower school students at Poole
High School are normally distributed with mean µ and
with a standard deviation of 10cm.
A sample of size 25 is taken and the mean height of the
sample is found to be 161cm.
a.) Find the 95% confidence interval for the height of
the students.
Transcribed Image Text:The heights of the 1320 lower school students at Poole High School are normally distributed with mean µ and with a standard deviation of 10cm. A sample of size 25 is taken and the mean height of the sample is found to be 161cm. a.) Find the 95% confidence interval for the height of the students.
Expert Solution
steps

Step by step

Solved in 4 steps with 1 images

Blurred answer
Knowledge Booster
Point Estimation, Limit Theorems, Approximations, and Bounds
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill