"Trydint" bubble-gum company claims that 7 out of 10 people prefer their gum to "Eklypse". Test their claim at the 99 confidence level.
"Trydint" bubble-gum company claims that 7 out of 10 people prefer their gum to "Eklypse". Test their claim at the 99 confidence level.
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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Question
"Trydint" bubble-gum company claims that 7 out of 10 people prefer their gum to "Eklypse". Test their claim at the 99 confidence level.
The null and alternative hypothesis in symbols would be:

Transcribed Image Text:Based on a sample of 240 people, 162 said they prefer "Trydint" gum to "Eklypse".
The point estimate is: 0.675
(to 3 decimals)
The 99 % confidence interval is: 0.629
decimals)
X to 0.721
x (to 3

Transcribed Image Text:The null and alternative hypothesis in symbols would be:
ⒸH₁: μ = 0.7
Η : μ = 0.7
X
O Ho: p ≤ 0.7
H₁: p > 0.7
O Ho:p> 0.7
H₁: p<0.7
O Ho: p = 0.7
H₁: p = 0.7
Ο Ηo : μ < 0.7
H : μ > 0.7
Ο Ηo : μ > 0.7
H : μ < 0.7
The null hypothesis in words would be:
X
O The average of people that prefer Trydint gum is 0.7.
The proportion of all people that prefer Trydint gum is greater than 0.7.
O The proportion of people in a sample that prefer Trydint gum is not 0.7
O The average of people that prefer Trydint gum is not 0.7.
● 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.
O The proportion of all people that prefer Trydint gum is 0.7
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