21 years old). The results of the su

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
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Major television networks conducted a joint poll of viewers and asked them if they felt that beer and other alcoholic beverage commercials targeted teenagers and young
adults (those under 21 years old). The results of the survey are as follows.
Answer
©2022 Hawkes Learning
Q
Copy Data
Calculate a 99% confidence interval for the difference in the proportions of those older than 30 and those 30 or younger that believe alcoholic beverage commercials
targeted teenagers and young adults. Let the 30 or younger age group be Population 1 and let the older than 30 age group be Population 2. Write your answer using
interval notation and round the interval endpoints to three decimal places.
A
W
S
X
3
E
Age Group
30 or Younger
Older than 30
C
R
F
5
Network Advertising Survey
Number Surveyed
V
T
G
1000
1000
MacBook Pro
6
B
Y
Number of "Yes" Responses
473
524
H
U
N
8
J
1
M
9
K
O
A
O
P
Tables
Keypad
Keyboard Shortcuts
Submit Answer
Transcribed Image Text:Major television networks conducted a joint poll of viewers and asked them if they felt that beer and other alcoholic beverage commercials targeted teenagers and young adults (those under 21 years old). The results of the survey are as follows. Answer ©2022 Hawkes Learning Q Copy Data Calculate a 99% confidence interval for the difference in the proportions of those older than 30 and those 30 or younger that believe alcoholic beverage commercials targeted teenagers and young adults. Let the 30 or younger age group be Population 1 and let the older than 30 age group be Population 2. Write your answer using interval notation and round the interval endpoints to three decimal places. A W S X 3 E Age Group 30 or Younger Older than 30 C R F 5 Network Advertising Survey Number Surveyed V T G 1000 1000 MacBook Pro 6 B Y Number of "Yes" Responses 473 524 H U N 8 J 1 M 9 K O A O P Tables Keypad Keyboard Shortcuts Submit Answer
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