Trydint" bubble-gum company claims that 7 out of 10 people prefer their gum to "Eklypse". Test their claim at the 90 confidence level. The null and alternative hypothesis in symbols would be: Ho: ≤0.7 Η : μ > 0.7 Ho: p=0.7 H₁: p=0.7 O Ho: p=0.7 H₁: 0.7 O Ho: p<0.7 H₁: p>0.7 Ho: 20.7 Η :μ 0,7 Ho:p>0.7 H₁: p<0.7
Trydint" bubble-gum company claims that 7 out of 10 people prefer their gum to "Eklypse". Test their claim at the 90 confidence level. The null and alternative hypothesis in symbols would be: Ho: ≤0.7 Η : μ > 0.7 Ho: p=0.7 H₁: p=0.7 O Ho: p=0.7 H₁: 0.7 O Ho: p<0.7 H₁: p>0.7 Ho: 20.7 Η :μ 0,7 Ho:p>0.7 H₁: p<0.7
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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Transcribed Image Text:"Trydint" bubble-gum company claims that 7 out of 10 people prefer their gum to "Eklypse". Test their
claim at the 90 confidence level.
The null and alternative hypothesis in symbols would be:
Ho: <0.7
H : μ > 0.7
#
3
e
Ho: p=0.7
H₁: p
0.7
Ο Η : μ
H₁:
O Ho: p ≤0.7
H₁:p> 0.7
= 0.7
0.7
Ho: 20.7
H₁ <0.7
Ho p>0.7
Hyp<0.7
с
4
%
5
T
A
6
THD
y
&
7
*
8
Transcribed Image Text:The null hypothesis in words would be:
O The proportion of all people that prefer Trydint gum is less than 0.7.
O The proportion of people in a sample that prefers Trydint gum is 0.7.
The average of people that prefer Trydint gum is 0.7.
O The proportion of all people that prefer Trydint gum is greater than 0.7.
O The average of people that prefer Trydint gum is not 0.7.
O The proportion of people in a sample that prefer Trydint gum is not 0.7
O The proportion of all people that prefer Trydint gum is 0.7
V
Based on a sample of 350 people, 219 said they prefer "Trydint" gum to "Eklypse".
3
The point estimate is:
#
The 90% confidence interval is:
decimals)
e
Based on this we:
Fail to reject the null hypothesis
Reject the null hypothesis
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