Salaries of 44 college graduates who took a statistics course in college have a mean, x, of $63,000. Assuming a standard deviation, o, of $18,322, construct a 95% confidence interval for estimating the population mean u. Click here to view a t distribution table. Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. $

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Salaries of 44 college graduates who took a statistics course in college have a mean, x, of $63,000. Assuming a standard
deviation, o, of $18,322, construct a 95% confidence interval for estimating the population mean u.
Click here to view a t distribution table.
Click here to view page 1 of the standard normal distribution table.
Click here to view page 2 of the standard normal distribution table.
$4
(Round to the nearest integer as needed.)
Enter your answer in the edit fields and then click Check Answer.
All parts showing
Clear All
Check Answer
A TOG
10
%3D
%24
Transcribed Image Text:2.37 Assigned Media ▼ Question Help ▼ Salaries of 44 college graduates who took a statistics course in college have a mean, x, of $63,000. Assuming a standard deviation, o, of $18,322, construct a 95% confidence interval for estimating the population mean u. Click here to view a t distribution table. Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. $4 (Round to the nearest integer as needed.) Enter your answer in the edit fields and then click Check Answer. All parts showing Clear All Check Answer A TOG 10 %3D %24
Help
Listed below are the amounts of net worth (in millions of dollars) of the ten wealthiest celebrities in a country. Construct a 95%
confidence interval. What does the result tell us about the population of all celebrities? Do the data appear to be from a
normally distributed population as required?
257
202
180
167
164
155
150
150
150
145
What is the confidence interval estimate of the population mean u?
%$4
million <u<$
million
(Round to one decimal place as needed.)
Enter your answer in the edit fields and then click Check Answer.
?.
2 parts
remaining
Clear All
Check Answer
A TO04
8?
10
MacBook Po
%3D
%24
Transcribed Image Text:Help Listed below are the amounts of net worth (in millions of dollars) of the ten wealthiest celebrities in a country. Construct a 95% confidence interval. What does the result tell us about the population of all celebrities? Do the data appear to be from a normally distributed population as required? 257 202 180 167 164 155 150 150 150 145 What is the confidence interval estimate of the population mean u? %$4 million <u<$ million (Round to one decimal place as needed.) Enter your answer in the edit fields and then click Check Answer. ?. 2 parts remaining Clear All Check Answer A TO04 8? 10 MacBook Po %3D %24
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