The worldwide market share for a web browser was 20.5​% in a recent month. Suppose that a sample of 240 random students at a certain university finds that 60 use the browser. Complete parts​ (a) through​ (d) below.       Question content area bottom Part 1 a. At the 0.01 level of​ significance, is there evidence that the market share for the web browser at the university is greater than the worldwide market share of 20.5​%?   Determine the null and alternative hypotheses.     A. H0​: π≤0.205​; H1​: π>0.205   B. H0​: π=0.205​; H1​: π≠0.205   C. H0​: π≠0.205​; H1​: π=0.205   D. H0​: π≥0.205​; H1​: π<

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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The worldwide market share for a web browser was
20.5​%
in a recent month. Suppose that a sample of
240
random students at a certain university finds that
60
use the browser. Complete parts​ (a) through​ (d) below.
 
 
 

Question content area bottom

Part 1
a. At the
0.01
level of​ significance, is there evidence that the market share for the web browser at the university is greater than the worldwide market share of
20.5​%?
 
Determine the null and alternative hypotheses.
 
 
A.
H0​:
π≤0.205​;
H1​:
π>0.205
 
B.
H0​:
π=0.205​;
H1​:
π≠0.205
 
C.
H0​:
π≠0.205​;
H1​:
π=0.205
 
D.
H0​:
π≥0.205​;
H1​:
π<
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