Paying for music downloads. If you use the Internet, have you ever paid to access or download music? This was one of the questions of interest in a recent Pew Internet and American Life Project Survey (Oct. 2010). In a representa- tive sample of 755 adults who use the Internet, 506 stated that they have paid to download music. Let p represent the true proportion of all Internet-using adults who have paid to download music. do 001
Paying for music downloads. If you use the Internet, have you ever paid to access or download music? This was one of the questions of interest in a recent Pew Internet and American Life Project Survey (Oct. 2010). In a representa- tive sample of 755 adults who use the Internet, 506 stated that they have paid to download music. Let p represent the true proportion of all Internet-using adults who have paid to download music. do 001
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Please solve all parts

Transcribed Image Text:8.80 Paying for music downloads. If you use the Internet, have
you ever paid to access or download music? This was one
D
MUSIC of the questions of interest in a recent Pew Internet and
o 15American Life Project Survey (Oct. 2010). In a representa-
tive sample of 755 adults who use the Internet, 506 stated
i bas that they have paid to download music. Let p represent the
true proportion of all Internet-using adults who have paid
to download music.
mo
a. Compute a point estimate of p.
8.8
220
b. Set up the null and alternative hypotheses for testing
whether the true proportion of all Internet-using adults
10.
who have paid to download music exceeds .7.
C. Compute the test statistic for part b.
d. Find the rejection region for the test if a = .01.
e. Find the p-value for the test.
f. Make the appropriate conclusion using the rejection region.
g. Make the appropriate conclusion using the p-value.
%3D
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