Based on a sample of 350 people, 258 said they prefer "Trydint" gum to "Eklypse". The point estimate is: 0.737 v o (to 3 decimals) The 90 % confidence interval is: to (to 3 decimals)
Based on a sample of 350 people, 258 said they prefer "Trydint" gum to "Eklypse". The point estimate is: 0.737 v o (to 3 decimals) The 90 % confidence interval is: to (to 3 decimals)
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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I need help on the 90% confidence interval is:
(To 3 decimals)

Transcribed Image Text:The null hypothesis in words would be:
O The proportion of all people that prefer Trydint gum is less than 0.8.
O The proportion of people in a sample that prefers Trydint gum is 0.8.
O The proportion of all people that prefer Trydint gum is 0.8
O The average of people that prefer Trydint gum is 0.8.
O The proportion of all people that prefer Trydint gum is greater than 0.8.
O The proportion of people in a sample that prefer Trydint gum is not 0.8
O The average of people that prefer Trydint gum is not 0.8.
Based on a sample of 350 people, 258 said they prefer "Trydint" gum to "Eklypse".
The point estimate is: 0.737
o (to 3 decimals)
The 90 % confidence interval is:
to
(to
3 decimals)
Based on this we:
O Reject the null hypothesis
O Fail to reject the null hypothesis
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Transcribed Image Text:urses/50306/ássignments/608635?module_item_id%3D1106150
"Trydint" bubble-gum company claims that 8 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:
O Ho: u 2 0.8
H1:u < 0.8
O Ho: u < 0.8
H:µ > 0.8
O Ho:p = 0.8
H1:p 0.8
O Ho:p 2 0.8
H1:p < 0.8
Ο H6: μ - 0.8
H1: µ # 0.8
O Ho:p < 0.8
H1:p > 0.8
The null hypothésis in words would be:
The proportion of all people that prefer Trydint gum is less than 0.8.
O The proportion of people in a sample that prefers Trydint gum is 0.8.
O The proportion of all people that prefer Trydint gum is 0.8
O The average of people that prefer Trydint gum is 0.8.
O The proportion of all people that prefer Trydint gum is greater than 0.8.
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