A research institute poll asked respondents if they felt vulnerable to identify theft. In the poll, n = 982 and x = 529 who said "yes." Use a 90% confidence level.
A research institute poll asked respondents if they felt vulnerable to identify theft. In the poll, n = 982 and x = 529 who said "yes." Use a 90% confidence level.
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...
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A research institute poll asked respondents if they felt vulnerable to identify theft. In the poll, n = 982 and x = 529 who said "yes." Use a 90% confidence level.

Transcribed Image Text:Use the sample data and confidence level given below to complete parts (a) through (d).
A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n
Click the icon to view a table of z scores.
4
a) Find the best point estimate of the population proportion p.,
(Round to three decimal places as needed.)

Transcribed Image Text:Z
0.0
0.1
0.2
0.3
0.4
YICYY
2
W
.00
5000
5398
5793
6179
6554
0
mpic
3
Z
E
Cumulative Area from the LEFT
01
5040
5438
5832
6217
6591
nicip
R
02
5080
4
.5478
5871
.6255
6628
5
POSITIVE z Scores
T
03
5120
.5517
5910
6293
6664
189
6
.04
5160
5557
5948
6331
.6700
Print
Q
05
.5199
5596
5987
6368
6736
Done
180/0
8
C
06
5239
5636
.6026
6406
6772
10 12
07
5279
5675
6064
6443
6808
1
P
08
5319
5714
6103
6480
6844
112 JA
.09
5359
5753
.6141
.6517
.6879
Sisar cu
Z
0.0
0.1
0.2
0.3
0.4
back:
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