e) In a survey of 700 random households in a particular city in NCR, adults have b asked if they use social media to stay connected with other people. There are 523 w have said yes. Use a 90% confidence to estimate the proportion of all Adults who the social
e) In a survey of 700 random households in a particular city in NCR, adults have b asked if they use social media to stay connected with other people. There are 523 w have said yes. Use a 90% confidence to estimate the proportion of all Adults who the social
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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Question
write your answers legibly and follow the formulas indicated on the picture. thank you !
Transcribed Image Text:2)
In a survey of 700 random households in a particular city in NCR, adults have been
asked if they use social media to stay connected with other people. There are 523 who
have said yes. Use a 90% confidence to estimate the proportion of all Adults who use
the social media to stay connected.
Transcribed Image Text:ormulae
sample eize
Z z seore
g alpha
Ō= standard dev
E =
2.
n =
95% =1.960
99% =2.575
error
for proportion 2
^^
n= pq l Ē
%3D
n=s ample rite
p-hat lpropor tion)
( l-p)
21 =' (901.,9s1.,99.%.)
Use 0.5
iF P is not
hat
E =
eror
2
E = ?¢ V
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